{ "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-2026-27205", "tracking": { "current_release_date": "2026-03-23T10:16:51.597272Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27205", "initial_release_date": "2026-02-19T21:39:51.768606Z", "revision_history": [ { "date": "2026-02-19T21:39:51.768606Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-02-19T21:39:56.713863Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-21T05:38:33.301988Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (3).| CWES updated (1)." }, { "date": "2026-02-21T05:38:46.287417Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-21T06:25:01.657121Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-02-21T06:25:11.097407Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-21T12:42:52.319690Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Products created (2)." }, { "date": "2026-02-21T12:42:58.433380Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-02-21T14:14:42.708258Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-22T00:21:45.003872Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (62).| References created (5).| CWES updated (1)." }, { "date": "2026-02-22T00:21:54.120835Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-02-22T06:42:51.010056Z", "number": "12", "summary": "Description created for source." }, { "date": "2026-02-23T00:36:57.404160Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (62).| Product Identifiers created (63).| Products created (2).| References created (3).| CWES updated (1)." }, { "date": "2026-02-23T22:39:45.618377Z", "number": "14", "summary": "References created (1)." }, { "date": "2026-02-23T22:39:49.507442Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-02-24T00:27:37.145481Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (11).| Product Identifiers created (3).| References created (5).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-02-24T00:27:43.367210Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-02-24T00:36:46.085486Z", "number": "18", "summary": "References created (1)." }, { "date": "2026-02-24T21:02:52.159163Z", "number": "19", "summary": "Unknown change." }, { "date": "2026-02-24T21:02:54.137933Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-02-24T22:26:35.004405Z", "number": "21", "summary": "CVSS created.| Products created (1).| Product Identifiers created (1)." }, { "date": "2026-02-24T22:26:42.850772Z", "number": "22", "summary": "NCSC Score updated." }, { "date": "2026-03-02T15:58:53.044944Z", "number": "23", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| Products created (1)." }, { "date": "2026-03-02T15:58:55.045288Z", "number": "24", "summary": "NCSC Score updated." }, { "date": "2026-03-10T18:47:18.976880Z", "number": "25", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (2).| References created (3)." }, { "date": "2026-03-10T18:47:24.086939Z", "number": "26", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:42:01.101811Z", "number": "27", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:42:05.970659Z", "number": "28", "summary": "NCSC Score updated." } ], "status": "interim", "version": "28" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1439279", "product_identification_helper": { "cpe": "cpe:/a:redhat:openshift_ai" } } } ], "category": "product_name", "name": "Red Hat OpenShift AI (RHOAI)" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/3", "product": { "name": "vers:rpm/3", "product_id": "CSAFPID-1441200", "product_identification_helper": { "cpe": "cpe:/a:redhat:quay:3" } } } ], "category": "product_name", "name": "Red Hat Quay 3" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/6", "product": { "name": "vers:rpm/6", "product_id": "CSAFPID-1439313", "product_identification_helper": { "cpe": "cpe:/a:redhat:satellite:6" } } } ], "category": "product_name", "name": "Red Hat Satellite 6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2855768" } } ], "category": "product_name", "name": "iop-advisor-engine-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5276234" } } ], "category": "product_name", "name": "iop-host-inventory-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5276235" } } ], "category": "product_name", "name": "iop-insights-engine-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5276237" } } ], "category": "product_name", "name": "iop-vulnerability-engine-rhel9" } ], "category": "product_family", "name": "Red Hat Satellite 6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1906087" } } ], "category": "product_name", "name": "odh-kf-notebook-controller-rhel8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1906089" } } ], "category": "product_name", "name": "odh-notebook-controller-rhel8" } ], "category": "product_family", "name": "Red Hat OpenShift AI (RHOAI)" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1455906" } } ], "category": "product_name", "name": "quay-rhel8" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5355695" } } ], "category": "product_name", "name": "quay-rhel9" } ], "category": "product_family", "name": "Red Hat Quay 3" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5658543" } } ], "category": "product_name", "name": "flask" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5658544" } } ], "category": "product_name", "name": "flask" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "Debian" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.1.3", "product": { "name": "vers:unknown/<3.1.3", "product_id": "CSAFPID-5699958", "product_identification_helper": { "cpe": "cpe:2.3:a:palletsprojects:flask:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "flask" } ], "category": "vendor", "name": "Pallets Projects" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/0.1", "product": { "name": "vers:unknown/0.1", "product_id": "CSAFPID-3315500", "product_identification_helper": { "purl": "pkg:pypi/flask@0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10", "product": { "name": "vers:unknown/0.10", "product_id": "CSAFPID-3315501", "product_identification_helper": { "purl": "pkg:pypi/flask@0.10" } } }, { "category": "product_version_range", "name": "vers:unknown/0.10.1", "product": { "name": "vers:unknown/0.10.1", "product_id": "CSAFPID-3315502", "product_identification_helper": { "purl": "pkg:pypi/flask@0.10.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11", "product": { "name": "vers:unknown/0.11", "product_id": "CSAFPID-3315503", "product_identification_helper": { "purl": "pkg:pypi/flask@0.11" } } }, { "category": "product_version_range", "name": "vers:unknown/0.11.1", "product": { "name": "vers:unknown/0.11.1", "product_id": "CSAFPID-3315504", "product_identification_helper": { "purl": "pkg:pypi/flask@0.11.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12", "product": { "name": "vers:unknown/0.12", "product_id": "CSAFPID-3315505", "product_identification_helper": { "purl": "pkg:pypi/flask@0.12" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.1", "product": { "name": "vers:unknown/0.12.1", "product_id": "CSAFPID-3315506", "product_identification_helper": { "purl": "pkg:pypi/flask@0.12.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.2", "product": { "name": "vers:unknown/0.12.2", "product_id": "CSAFPID-3315507", "product_identification_helper": { "purl": "pkg:pypi/flask@0.12.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.3", "product": { "name": "vers:unknown/0.12.3", "product_id": "CSAFPID-3315508", "product_identification_helper": { "purl": "pkg:pypi/flask@0.12.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.4", "product": { "name": "vers:unknown/0.12.4", "product_id": "CSAFPID-3315509", "product_identification_helper": { "purl": "pkg:pypi/flask@0.12.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.5", "product": { "name": "vers:unknown/0.12.5", "product_id": "CSAFPID-3315510", "product_identification_helper": { "purl": "pkg:pypi/flask@0.12.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.12.x", "product": { "name": "vers:unknown/0.12.x", "product_id": "CSAFPID-3315511" } }, { "category": "product_version_range", "name": "vers:unknown/0.2", "product": { "name": "vers:unknown/0.2", "product_id": "CSAFPID-3315512", "product_identification_helper": { "purl": "pkg:pypi/flask@0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3", "product": { "name": "vers:unknown/0.3", "product_id": "CSAFPID-3315513", "product_identification_helper": { "purl": "pkg:pypi/flask@0.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.1", "product": { "name": "vers:unknown/0.3.1", "product_id": "CSAFPID-3698458", "product_identification_helper": { "purl": "pkg:pypi/flask@0.3.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.4", "product": { "name": "vers:unknown/0.4", "product_id": "CSAFPID-3315514", "product_identification_helper": { "purl": "pkg:pypi/flask@0.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.5", "product": { "name": "vers:unknown/0.5", "product_id": "CSAFPID-3315515", "product_identification_helper": { "purl": "pkg:pypi/flask@0.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.5.1", "product": { "name": "vers:unknown/0.5.1", "product_id": "CSAFPID-3698459", "product_identification_helper": { "purl": "pkg:pypi/flask@0.5.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.5.2", "product": { "name": "vers:unknown/0.5.2", "product_id": "CSAFPID-3698460", "product_identification_helper": { "purl": "pkg:pypi/flask@0.5.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6", "product": { "name": "vers:unknown/0.6", "product_id": "CSAFPID-3315516", "product_identification_helper": { "purl": "pkg:pypi/flask@0.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.6.1", "product": { "name": "vers:unknown/0.6.1", "product_id": "CSAFPID-3698461", "product_identification_helper": { "purl": "pkg:pypi/flask@0.6.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.7", "product": { "name": "vers:unknown/0.7", "product_id": "CSAFPID-3315517", "product_identification_helper": { "purl": "pkg:pypi/flask@0.7" } } }, { "category": "product_version_range", "name": "vers:unknown/0.7.1", "product": { "name": "vers:unknown/0.7.1", "product_id": "CSAFPID-3698462", "product_identification_helper": { "purl": "pkg:pypi/flask@0.7.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.7.2", "product": { "name": "vers:unknown/0.7.2", "product_id": "CSAFPID-3698463", "product_identification_helper": { "purl": "pkg:pypi/flask@0.7.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8", "product": { "name": "vers:unknown/0.8", "product_id": "CSAFPID-3315518", "product_identification_helper": { "purl": "pkg:pypi/flask@0.8" } } }, { "category": "product_version_range", "name": "vers:unknown/0.8.1", "product": { "name": "vers:unknown/0.8.1", "product_id": "CSAFPID-3315519", "product_identification_helper": { "purl": "pkg:pypi/flask@0.8.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.9", "product": { "name": "vers:unknown/0.9", "product_id": "CSAFPID-3315520", "product_identification_helper": { "purl": "pkg:pypi/flask@0.9" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0", "product": { "name": "vers:unknown/1.0", "product_id": "CSAFPID-3315521", "product_identification_helper": { "purl": "pkg:pypi/flask@1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0.1", "product": { "name": "vers:unknown/1.0.1", "product_id": "CSAFPID-3315522", "product_identification_helper": { "purl": "pkg:pypi/flask@1.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0.2", "product": { "name": "vers:unknown/1.0.2", "product_id": "CSAFPID-3315523", "product_identification_helper": { "purl": "pkg:pypi/flask@1.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0.3", "product": { "name": "vers:unknown/1.0.3", "product_id": "CSAFPID-3315524", "product_identification_helper": { "purl": "pkg:pypi/flask@1.0.3" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0.4", "product": { "name": "vers:unknown/1.0.4", "product_id": "CSAFPID-3315525", "product_identification_helper": { "purl": "pkg:pypi/flask@1.0.4" } } }, { "category": "product_version_range", "name": "vers:unknown/1.0.x", "product": { "name": "vers:unknown/1.0.x", "product_id": "CSAFPID-3677731" } }, { "category": "product_version_range", "name": "vers:unknown/1.1.0", "product": { "name": "vers:unknown/1.1.0", "product_id": "CSAFPID-3677732", "product_identification_helper": { "purl": "pkg:pypi/flask@1.1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.1", "product": { "name": "vers:unknown/1.1.1", "product_id": "CSAFPID-3677733", "product_identification_helper": { "purl": "pkg:pypi/flask@1.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.2", "product": { "name": "vers:unknown/1.1.2", "product_id": "CSAFPID-3677734", "product_identification_helper": { "purl": "pkg:pypi/flask@1.1.2" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.3", "product": { "name": "vers:unknown/1.1.3", "product_id": "CSAFPID-3677735", "product_identification_helper": { "purl": "pkg:pypi/flask@1.1.3" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.4", "product": { "name": "vers:unknown/1.1.4", "product_id": "CSAFPID-3677736", "product_identification_helper": { "purl": "pkg:pypi/flask@1.1.4" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.x", "product": { "name": "vers:unknown/1.1.x", "product_id": "CSAFPID-3677737" } }, { "category": "product_version_range", "name": "vers:unknown/2.0.0", "product": { "name": "vers:unknown/2.0.0", "product_id": "CSAFPID-3677738", "product_identification_helper": { "purl": "pkg:pypi/flask@2.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.0rc1", "product": { "name": "vers:unknown/2.0.0rc1", "product_id": "CSAFPID-3677739", "product_identification_helper": { "purl": "pkg:pypi/flask@2.0.0rc1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.0rc2", "product": { "name": "vers:unknown/2.0.0rc2", "product_id": "CSAFPID-3677740", "product_identification_helper": { "purl": "pkg:pypi/flask@2.0.0rc2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.1", "product": { "name": "vers:unknown/2.0.1", "product_id": "CSAFPID-3677741", "product_identification_helper": { "purl": "pkg:pypi/flask@2.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.2", "product": { "name": "vers:unknown/2.0.2", "product_id": "CSAFPID-3677742", "product_identification_helper": { "purl": "pkg:pypi/flask@2.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.3", "product": { "name": "vers:unknown/2.0.3", "product_id": "CSAFPID-3677743", "product_identification_helper": { "purl": "pkg:pypi/flask@2.0.3" } } }, { "category": "product_version_range", "name": "vers:unknown/2.1.0", "product": { "name": "vers:unknown/2.1.0", "product_id": "CSAFPID-3677744", "product_identification_helper": { "purl": "pkg:pypi/flask@2.1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.1.1", "product": { "name": "vers:unknown/2.1.1", "product_id": "CSAFPID-3677745", "product_identification_helper": { "purl": "pkg:pypi/flask@2.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.1.2", "product": { "name": "vers:unknown/2.1.2", "product_id": "CSAFPID-3677746", "product_identification_helper": { "purl": "pkg:pypi/flask@2.1.2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.1.3", "product": { "name": "vers:unknown/2.1.3", "product_id": "CSAFPID-3677747", "product_identification_helper": { "purl": "pkg:pypi/flask@2.1.3" } } }, { "category": "product_version_range", "name": "vers:unknown/2.1.x", "product": { "name": "vers:unknown/2.1.x", "product_id": "CSAFPID-3677748" } }, { "category": "product_version_range", "name": "vers:unknown/2.2.0", "product": { "name": "vers:unknown/2.2.0", "product_id": "CSAFPID-3677749", "product_identification_helper": { "purl": "pkg:pypi/flask@2.2.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2.1", "product": { "name": "vers:unknown/2.2.1", "product_id": "CSAFPID-3677750", "product_identification_helper": { "purl": "pkg:pypi/flask@2.2.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2.2", "product": { "name": "vers:unknown/2.2.2", "product_id": "CSAFPID-3677751", "product_identification_helper": { "purl": "pkg:pypi/flask@2.2.2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2.3", "product": { "name": "vers:unknown/2.2.3", "product_id": "CSAFPID-3677752", "product_identification_helper": { "purl": "pkg:pypi/flask@2.2.3" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2.4", "product": { "name": "vers:unknown/2.2.4", "product_id": "CSAFPID-3677753", "product_identification_helper": { "purl": "pkg:pypi/flask@2.2.4" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2.5", "product": { "name": "vers:unknown/2.2.5", "product_id": "CSAFPID-3677754", "product_identification_helper": { "purl": "pkg:pypi/flask@2.2.5" } } }, { "category": "product_version_range", "name": "vers:unknown/2.2.x", "product": { "name": "vers:unknown/2.2.x", "product_id": "CSAFPID-3677755" } }, { "category": "product_version_range", "name": "vers:unknown/2.3.0", "product": { "name": "vers:unknown/2.3.0", "product_id": "CSAFPID-3677756", "product_identification_helper": { "purl": "pkg:pypi/flask@2.3.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.3.1", "product": { "name": "vers:unknown/2.3.1", "product_id": "CSAFPID-3677757", "product_identification_helper": { "purl": "pkg:pypi/flask@2.3.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.3.2", "product": { "name": "vers:unknown/2.3.2", "product_id": "CSAFPID-3677758", "product_identification_helper": { "purl": "pkg:pypi/flask@2.3.2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.3.3", "product": { "name": "vers:unknown/2.3.3", "product_id": "CSAFPID-3677759", "product_identification_helper": { "purl": "pkg:pypi/flask@2.3.3" } } }, { "category": "product_version_range", "name": "vers:unknown/2.3.x", "product": { "name": "vers:unknown/2.3.x", "product_id": "CSAFPID-3677760" } }, { "category": "product_version_range", "name": "vers:unknown/3.0.0", "product": { "name": "vers:unknown/3.0.0", "product_id": "CSAFPID-5667822", "product_identification_helper": { "purl": "pkg:pypi/flask@3.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/3.0.1", "product": { "name": "vers:unknown/3.0.1", "product_id": "CSAFPID-3677761", "product_identification_helper": { "purl": "pkg:pypi/flask@3.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/3.0.2", "product": { "name": "vers:unknown/3.0.2", "product_id": "CSAFPID-3677762", "product_identification_helper": { "purl": "pkg:pypi/flask@3.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/3.0.3", "product": { "name": "vers:unknown/3.0.3", "product_id": "CSAFPID-3677763", "product_identification_helper": { "purl": "pkg:pypi/flask@3.0.3" } } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0", "product": { "name": "vers:unknown/3.1.0", "product_id": "CSAFPID-2835354", "product_identification_helper": { "purl": "pkg:pypi/flask@3.1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/3.1.1", "product": { "name": "vers:unknown/3.1.1", "product_id": "CSAFPID-5658427", "product_identification_helper": { "purl": "pkg:pypi/flask@3.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/3.1.2", "product": { "name": "vers:unknown/3.1.2", "product_id": "CSAFPID-5658428", "product_identification_helper": { "purl": "pkg:pypi/flask@3.1.2" } } }, { "category": "product_version_range", "name": "vers:unknown/<3.1.3", "product": { "name": "vers:unknown/<3.1.3", "product_id": "CSAFPID-5657157" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<3.1.3", "product": { "name": "vers:unknown/>=0|<3.1.3", "product_id": "CSAFPID-5667823" } } ], "category": "product_name", "name": "flask" } ], "category": "vendor", "name": "pallets" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.1.3", "product": { "name": "vers:unknown/<3.1.3", "product_id": "CSAFPID-5753611" } } ], "category": "product_name", "name": "flask" } ], "category": "vendor", "name": "unknown" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=0|<2.3.2-150400.3.9.1", "product": { "name": "vers:unknown/>=0|<2.3.2-150400.3.9.1", "product_id": "CSAFPID-5776474" } } ], "category": "product_name", "name": "python-Flask" } ], "category": "product_family", "name": "SUSE:Linux Enterprise Module for Python 3 15 SP7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/>=0|<2.3.2-150400.3.9.1", "product": { "name": "vers:unknown/>=0|<2.3.2-150400.3.9.1", "product_id": "CSAFPID-5776475" } } ], "category": "product_name", "name": "python-Flask" } ], "category": "product_family", "name": "openSUSE:Leap 15.6" } ], "category": "vendor", "name": "SUSE" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27205", "cwe": { "id": "CWE-524", "name": "Use of Cache Containing Sensitive Information" }, "notes": [ { "category": "description", "text": "When the `session` object is accessed, Flask should set the `Vary: Cookie` header. This instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python `in` operator were overlooked.\n\nThe severity depends on the application's use of the session, and the cache's behavior regarding cookies. The risk depends on all these conditions being met.\n\n1. The application must be hosted behind a caching proxy that does not ignore responses with cookies.\n2. The application does not set a `Cache-Control` header to indicate that a page is private or should not be cached.\n3. The application accesses the session in a way that does not access the values, only the keys, and does not mutate the session.", "title": "github - https://github.com/advisories/GHSA-68rp-wp8r-4726" }, { "category": "description", "text": "Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python in operator were overlooked. The severity and risk depend on the application being hosted behind a caching proxy that doesn't ignore responses with cookies, not setting a Cache-Control header to mark pages as private or non-cacheable, and accessing the session in a way that only touches keys without reading values or mutating the session. The issue has been fixed in version 3.1.3.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27205" }, { "category": "description", "text": "Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python in operator were overlooked. The severity and risk depend on the application being hosted behind a caching proxy that doesn't ignore responses with cookies, not setting a Cache-Control header to mark pages as private or non-cacheable, and accessing the session in a way that only touches keys without reading values or mutating the session. The issue has been fixed in version 3.1.3.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27205" }, { "category": "description", "text": "Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python in operator were overlooked. The severity and risk depend on the application being hosted behind a caching proxy that doesn't ignore responses with cookies, not setting a Cache-Control header to mark pages as private or non-cacheable, and accessing the session in a way that only touches keys without reading values or mutating the session. The issue has been fixed in version 3.1.3.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27205.json?alt=media" }, { "category": "description", "text": "Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python in operator were overlooked. The severity and risk depend on the application being hosted behind a caching proxy that doesn't ignore responses with cookies, not setting a Cache-Control header to mark pages as private or non-cacheable, and accessing the session in a way that only touches keys without reading values or mutating the session. The issue has been fixed in version 3.1.3.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-27205" }, { "category": "description", "text": "When the `session` object is accessed, Flask should set the `Vary: Cookie` header. This instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python `in` operator were overlooked.\n\nThe severity depends on the application's use of the session, and the cache's behavior regarding cookies. The risk depends on all these conditions being met.\n\n1. The application must be hosted behind a caching proxy that does not ignore responses with cookies.\n2. The application does not set a `Cache-Control` header to indicate that a page is private or should not be cached.\n3. The application accesses the session in a way that does not access the values, only the keys, and does not mutate the session.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-68rp-wp8r-4726.json?alt=media" }, { "category": "description", "text": "Flask is a web server gateway interface (WSGI) web application framework. In versions 3.1.2 and below, when the session object is accessed, Flask should set the Vary: Cookie header., resulting in a Use of Cache Containing Sensitive Information vulnerability. The logic instructs caches not to cache the response, as it may contain information specific to a logged in user. This is handled in most cases, but some forms of access such as the Python in operator were overlooked. The severity and risk depend on the application being hosted behind a caching proxy that doesn't ignore responses with cookies, not setting a Cache-Control header to mark pages as private or non-cacheable, and accessing the session in a way that only touches keys without reading values or mutating the session. The issue has been fixed in version 3.1.3.\nA flaw was found in Flask, a Web Server Gateway Interface (WSGI) web application framework. When a Flask application accesses the session object using certain methods, it may fail to set the `Vary: Cookie` header. This oversight can cause sensitive, user-specific information to be improperly cached by a caching proxy, potentially leading to information disclosure to unauthorized parties.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-27205" }, { "category": "description", "text": "Affected versions of the Flask package are vulnerable to Information Disclosure due to missing cache-variation headers when the session object is accessed via certain code paths. In Flask’s session handling, accessing flask.session is intended to set a Vary: Cookie response header, but session key-only access patterns (such as using the Python in operator to test for a key without reading or mutating session values) can bypass the logic that adds the header.", "title": "pyupio - https://pyupio.github.io/safety-db/#flask" }, { "category": "description", "text": "This update for python-Flask fixes the following issue:\n\n- CVE-2026-27205: information disclosure due to Flask session not adding the `Vary: Cookie` header (bsc#1258700).\n", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/SUSE%2FSUSE-SU-2026:0849-1.json?alt=media" }, { "category": "other", "text": "0.00031", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "2.3", "title": "CVSSV4 base score" }, { "category": "other", "text": "3.8", "title": "NCSC Score" }, { "category": "other", "text": "Is related to a product by vendor Unknown, The value of the most recent CVSS (V3) score, The value of the most recent EPSS score", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5657157", "CSAFPID-5658543", "CSAFPID-5658544", "CSAFPID-2835354", "CSAFPID-3315500", "CSAFPID-3315501", "CSAFPID-3315502", "CSAFPID-3315503", "CSAFPID-3315504", "CSAFPID-3315505", "CSAFPID-3315506", "CSAFPID-3315507", "CSAFPID-3315508", "CSAFPID-3315509", "CSAFPID-3315510", "CSAFPID-3315511", "CSAFPID-3315512", "CSAFPID-3315513", "CSAFPID-3315514", "CSAFPID-3315515", "CSAFPID-3315516", "CSAFPID-3315517", "CSAFPID-3315518", "CSAFPID-3315519", "CSAFPID-3315520", "CSAFPID-3315521", "CSAFPID-3315522", "CSAFPID-3315523", "CSAFPID-3315524", "CSAFPID-3315525", "CSAFPID-3677731", "CSAFPID-3677732", "CSAFPID-3677733", "CSAFPID-3677734", "CSAFPID-3677735", "CSAFPID-3677736", "CSAFPID-3677737", "CSAFPID-3677738", "CSAFPID-3677739", "CSAFPID-3677740", "CSAFPID-3677741", "CSAFPID-3677742", "CSAFPID-3677743", "CSAFPID-3677744", "CSAFPID-3677745", "CSAFPID-3677746", "CSAFPID-3677747", "CSAFPID-3677748", "CSAFPID-3677749", "CSAFPID-3677750", "CSAFPID-3677751", "CSAFPID-3677752", "CSAFPID-3677753", "CSAFPID-3677754", "CSAFPID-3677755", "CSAFPID-3677756", "CSAFPID-3677757", "CSAFPID-3677758", "CSAFPID-3677759", "CSAFPID-3677760", "CSAFPID-3677761", "CSAFPID-3677762", "CSAFPID-3677763", "CSAFPID-5658427", "CSAFPID-5658428", "CSAFPID-3698458", "CSAFPID-3698459", "CSAFPID-3698460", "CSAFPID-3698461", "CSAFPID-3698462", "CSAFPID-3698463", "CSAFPID-5667822", "CSAFPID-5667823", "CSAFPID-1439279", "CSAFPID-1439313", "CSAFPID-1441200", "CSAFPID-1455906", "CSAFPID-1906087", "CSAFPID-1906089", "CSAFPID-2855768", "CSAFPID-5276234", "CSAFPID-5276235", "CSAFPID-5276237", "CSAFPID-5355695", "CSAFPID-5699958", "CSAFPID-5753611", "CSAFPID-5776474", "CSAFPID-5776475" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-68rp-wp8r-4726" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-68rp-wp8r-4726" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27205" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27205.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27205" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27205" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-27205" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27205" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27205.json?alt=media" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-68rp-wp8r-4726.json?alt=media" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-27205" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27205.json" }, { "category": "external", "summary": "Source - pyupio", "url": "https://pyupio.github.io/safety-db/#flask" }, { "category": "external", "summary": "Source raw - pyupio", "url": "https://raw.githubusercontent.com/pyupio/safety-db/refs/heads/master/data/insecure_full.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/SUSE%2FSUSE-SU-2026:0849-1.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/pallets/flask/security/advisories/GHSA-68rp-wp8r-4726" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/pallets/flask/commit/089cb86dd22bff589a4eafb7ab8e42dc357623b4" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv; redhat", "url": "https://github.com/pallets/flask/releases/tag/3.1.3" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-68rp-wp8r-4726" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27205.json" }, { "category": "external", "summary": "Reference - github; osv; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27205" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27205" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.suse.com/support/update/announcement/2026/suse-su-20260849-1/" }, { "category": "external", "summary": "Reference - osv", "url": "https://bugzilla.suse.com/1258700" }, { "category": "external", "summary": "Reference - osv", "url": "https://www.suse.com/security/cve/CVE-2026-27205" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-1439279", "CSAFPID-1439313", "CSAFPID-1441200", "CSAFPID-1455906", "CSAFPID-1906087", "CSAFPID-1906089", "CSAFPID-2835354", "CSAFPID-2855768", "CSAFPID-3315500", "CSAFPID-3315501", "CSAFPID-3315502", "CSAFPID-3315503", "CSAFPID-3315504", "CSAFPID-3315505", "CSAFPID-3315506", "CSAFPID-3315507", "CSAFPID-3315508", "CSAFPID-3315509", "CSAFPID-3315510", "CSAFPID-3315511", "CSAFPID-3315512", "CSAFPID-3315513", "CSAFPID-3315514", "CSAFPID-3315515", "CSAFPID-3315516", "CSAFPID-3315517", "CSAFPID-3315518", "CSAFPID-3315519", "CSAFPID-3315520", "CSAFPID-3315521", "CSAFPID-3315522", "CSAFPID-3315523", "CSAFPID-3315524", "CSAFPID-3315525", "CSAFPID-3677731", "CSAFPID-3677732", "CSAFPID-3677733", "CSAFPID-3677734", "CSAFPID-3677735", "CSAFPID-3677736", "CSAFPID-3677737", "CSAFPID-3677738", "CSAFPID-3677739", "CSAFPID-3677740", "CSAFPID-3677741", "CSAFPID-3677742", "CSAFPID-3677743", "CSAFPID-3677744", "CSAFPID-3677745", "CSAFPID-3677746", "CSAFPID-3677747", "CSAFPID-3677748", "CSAFPID-3677749", "CSAFPID-3677750", "CSAFPID-3677751", "CSAFPID-3677752", "CSAFPID-3677753", "CSAFPID-3677754", "CSAFPID-3677755", "CSAFPID-3677756", "CSAFPID-3677757", "CSAFPID-3677758", "CSAFPID-3677759", "CSAFPID-3677760", "CSAFPID-3677761", "CSAFPID-3677762", "CSAFPID-3677763", "CSAFPID-3698458", "CSAFPID-3698459", "CSAFPID-3698460", "CSAFPID-3698461", "CSAFPID-3698462", "CSAFPID-3698463", "CSAFPID-5276234", "CSAFPID-5276235", "CSAFPID-5276237", "CSAFPID-5355695", "CSAFPID-5657157", "CSAFPID-5658427", "CSAFPID-5658428", "CSAFPID-5658543", "CSAFPID-5658544", "CSAFPID-5667822", "CSAFPID-5667823", "CSAFPID-5699958", "CSAFPID-5753611", "CSAFPID-5776474", "CSAFPID-5776475" ] } ], "title": "CVE-2026-27205" } ] }