{ "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-2026-100858", "tracking": { "current_release_date": "2026-10-05T08:32:28.773191Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-100858", "initial_release_date": "2026-09-27T02:26:34.584701Z", "revision_history": [ { "date": "2026-09-27T02:26:34.584701Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-09-27T02:26:36.417233Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-09-27T07:35:42.733475Z", "number": "3", "summary": "NCSC Score updated." }, { "date": "2026-09-27T12:16:32.260010Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| Products connected (106).| References created (4).| CWES updated (1)." }, { "date": "2026-09-27T12:16:40.878869Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-09-27T15:15:06.277641Z", "number": "6", "summary": "EPSS created.| Unknown change." }, { "date": "2026-09-27T15:15:11.162377Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-09-28T12:42:17.103258Z", "number": "8", "summary": "CVSS created.| CWES created (1).| Products created (2).| References created (2).| Description created for source.| Unknown change." }, { "date": "2026-09-28T12:42:19.909906Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-09-29T16:13:16.235283Z", "number": "10", "summary": "EPSS created.| Unknown change." }, { "date": "2026-09-29T18:31:32.747247Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-09-30T16:39:29.828833Z", "number": "12", "summary": "Unknown change." }, { "date": "2026-10-05T08:32:20.402021Z", "number": "13", "summary": "NCSC Score updated." } ], "status": "interim", "version": "13" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/0.0.109", "product": { "name": "vers:semver/0.0.109", "product_id": "CSAFPID-9478915" } }, { "category": "product_version_range", "name": "vers:semver/<0.0.109", "product": { "name": "vers:semver/<0.0.109", "product_id": "CSAFPID-9478916" } }, { "category": "product_version_range", "name": "vers:unknown/0.0.70", "product": { "name": "vers:unknown/0.0.70", "product_id": "CSAFPID-9106591" } }, { "category": "product_version_range", "name": "vers:unknown/0.0.71", "product": { "name": "vers:unknown/0.0.71", "product_id": "CSAFPID-9106589" } }, { "category": "product_version_range", "name": "vers:unknown/0.0.73", "product": { "name": "vers:unknown/0.0.73", "product_id": "CSAFPID-9106586" } }, { "category": "product_version_range", "name": "vers:unknown/codex-pr-assets", "product": { "name": "vers:unknown/codex-pr-assets", "product_id": "CSAFPID-9106590" } }, { "category": "product_version_range", "name": "vers:unknown/opencode-pr-assets", "product": { "name": "vers:unknown/opencode-pr-assets", "product_id": "CSAFPID-9106588" } }, { "category": "product_version_range", "name": "vers:unknown/v.0.0.49", "product": { "name": "vers:unknown/v.0.0.49", "product_id": "CSAFPID-9106612" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.1", "product": { "name": "vers:unknown/v0.0.1", "product_id": "CSAFPID-8568167" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.10", "product": { "name": "vers:unknown/v0.0.10", "product_id": "CSAFPID-8568158" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.100", "product": { "name": "vers:unknown/v0.0.100", "product_id": "CSAFPID-9474633" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.101", "product": { "name": "vers:unknown/v0.0.101", "product_id": "CSAFPID-9474632" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.102", "product": { "name": "vers:unknown/v0.0.102", "product_id": "CSAFPID-9474631" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.103", "product": { "name": "vers:unknown/v0.0.103", "product_id": "CSAFPID-9474630" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.104", "product": { "name": "vers:unknown/v0.0.104", "product_id": "CSAFPID-9474629" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.105", "product": { "name": "vers:unknown/v0.0.105", "product_id": "CSAFPID-9474628" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.106", "product": { "name": "vers:unknown/v0.0.106", "product_id": "CSAFPID-9474641" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.107", "product": { "name": "vers:unknown/v0.0.107", "product_id": "CSAFPID-9474640" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.108", "product": { "name": "vers:unknown/v0.0.108", "product_id": "CSAFPID-9474639" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.11", "product": { "name": "vers:unknown/v0.0.11", "product_id": "CSAFPID-8568157" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.12", "product": { "name": "vers:unknown/v0.0.12", "product_id": "CSAFPID-8568156" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.13", "product": { "name": "vers:unknown/v0.0.13", "product_id": "CSAFPID-8568155" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.14", "product": { "name": "vers:unknown/v0.0.14", "product_id": "CSAFPID-8568154" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.15", "product": { "name": "vers:unknown/v0.0.15", "product_id": "CSAFPID-8568153" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.16", "product": { "name": "vers:unknown/v0.0.16", "product_id": "CSAFPID-8568152" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.17", "product": { "name": "vers:unknown/v0.0.17", "product_id": "CSAFPID-8568151" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.18", "product": { "name": "vers:unknown/v0.0.18", "product_id": "CSAFPID-8568150" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.19", "product": { "name": "vers:unknown/v0.0.19", "product_id": "CSAFPID-8568149" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.2", "product": { "name": "vers:unknown/v0.0.2", "product_id": "CSAFPID-8568166" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.20", "product": { "name": "vers:unknown/v0.0.20", "product_id": "CSAFPID-8568148" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.21", "product": { "name": "vers:unknown/v0.0.21", "product_id": "CSAFPID-9106639" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.22", "product": { "name": "vers:unknown/v0.0.22", "product_id": "CSAFPID-9106638" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.23", "product": { "name": "vers:unknown/v0.0.23", "product_id": "CSAFPID-9106637" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.24", "product": { "name": "vers:unknown/v0.0.24", "product_id": "CSAFPID-9106636" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.25", "product": { "name": "vers:unknown/v0.0.25", "product_id": "CSAFPID-9106635" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.26", "product": { "name": "vers:unknown/v0.0.26", "product_id": "CSAFPID-9106634" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.27", "product": { "name": "vers:unknown/v0.0.27", "product_id": "CSAFPID-9106633" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.29", "product": { "name": "vers:unknown/v0.0.29", "product_id": "CSAFPID-9106632" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.3", "product": { "name": "vers:unknown/v0.0.3", "product_id": "CSAFPID-8568165" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.30", "product": { "name": "vers:unknown/v0.0.30", "product_id": "CSAFPID-9106631" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.31", "product": { "name": "vers:unknown/v0.0.31", "product_id": "CSAFPID-9106630" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.32", "product": { "name": "vers:unknown/v0.0.32", "product_id": "CSAFPID-9106629" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.33", "product": { "name": "vers:unknown/v0.0.33", "product_id": "CSAFPID-9106628" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.34", "product": { "name": "vers:unknown/v0.0.34", "product_id": "CSAFPID-9106627" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.35", "product": { "name": "vers:unknown/v0.0.35", "product_id": "CSAFPID-9106626" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.36", "product": { "name": "vers:unknown/v0.0.36", "product_id": "CSAFPID-9106625" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.37", "product": { "name": "vers:unknown/v0.0.37", "product_id": "CSAFPID-9106624" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.38", "product": { "name": "vers:unknown/v0.0.38", "product_id": "CSAFPID-9106623" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.39", "product": { "name": "vers:unknown/v0.0.39", "product_id": "CSAFPID-9106622" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.4", "product": { "name": "vers:unknown/v0.0.4", "product_id": "CSAFPID-8568164" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.40", "product": { "name": "vers:unknown/v0.0.40", "product_id": "CSAFPID-9106621" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.41", "product": { "name": "vers:unknown/v0.0.41", "product_id": "CSAFPID-9106620" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.42", "product": { "name": "vers:unknown/v0.0.42", "product_id": "CSAFPID-9106619" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.43", "product": { "name": "vers:unknown/v0.0.43", "product_id": "CSAFPID-9106618" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.44", "product": { "name": "vers:unknown/v0.0.44", "product_id": "CSAFPID-9106617" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.45", "product": { "name": "vers:unknown/v0.0.45", "product_id": "CSAFPID-9106616" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.46", "product": { "name": "vers:unknown/v0.0.46", "product_id": "CSAFPID-9106615" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.47", "product": { "name": "vers:unknown/v0.0.47", "product_id": "CSAFPID-9106614" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.48", "product": { "name": "vers:unknown/v0.0.48", "product_id": "CSAFPID-9106613" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.5", "product": { "name": "vers:unknown/v0.0.5", "product_id": "CSAFPID-8568163" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.50", "product": { "name": "vers:unknown/v0.0.50", "product_id": "CSAFPID-9106611" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.51", "product": { "name": "vers:unknown/v0.0.51", "product_id": "CSAFPID-9106610" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.52", "product": { "name": "vers:unknown/v0.0.52", "product_id": "CSAFPID-9106609" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.53", "product": { "name": "vers:unknown/v0.0.53", "product_id": "CSAFPID-9106608" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.54", "product": { "name": "vers:unknown/v0.0.54", "product_id": "CSAFPID-9106607" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.55", "product": { "name": "vers:unknown/v0.0.55", "product_id": "CSAFPID-9106606" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.56", "product": { "name": "vers:unknown/v0.0.56", "product_id": "CSAFPID-9106605" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.57", "product": { "name": "vers:unknown/v0.0.57", "product_id": "CSAFPID-9106604" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.58", "product": { "name": "vers:unknown/v0.0.58", "product_id": "CSAFPID-9106603" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.59", "product": { "name": "vers:unknown/v0.0.59", "product_id": "CSAFPID-9106602" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.6", "product": { "name": "vers:unknown/v0.0.6", "product_id": "CSAFPID-8568162" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.60", "product": { "name": "vers:unknown/v0.0.60", "product_id": "CSAFPID-9106601" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.61", "product": { "name": "vers:unknown/v0.0.61", "product_id": "CSAFPID-9106600" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.62", "product": { "name": "vers:unknown/v0.0.62", "product_id": "CSAFPID-9106599" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.63", "product": { "name": "vers:unknown/v0.0.63", "product_id": "CSAFPID-9106598" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.64", "product": { "name": "vers:unknown/v0.0.64", "product_id": "CSAFPID-9106597" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.65", "product": { "name": "vers:unknown/v0.0.65", "product_id": "CSAFPID-9106596" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.66", "product": { "name": "vers:unknown/v0.0.66", "product_id": "CSAFPID-9106595" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.67", "product": { "name": "vers:unknown/v0.0.67", "product_id": "CSAFPID-9106594" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.68", "product": { "name": "vers:unknown/v0.0.68", "product_id": "CSAFPID-9106593" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.69", "product": { "name": "vers:unknown/v0.0.69", "product_id": "CSAFPID-9106592" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.7", "product": { "name": "vers:unknown/v0.0.7", "product_id": "CSAFPID-8568161" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.72", "product": { "name": "vers:unknown/v0.0.72", "product_id": "CSAFPID-9106587" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.74", "product": { "name": "vers:unknown/v0.0.74", "product_id": "CSAFPID-9106585" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.75", "product": { "name": "vers:unknown/v0.0.75", "product_id": "CSAFPID-9106584" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.76", "product": { "name": "vers:unknown/v0.0.76", "product_id": "CSAFPID-9106583" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.77", "product": { "name": "vers:unknown/v0.0.77", "product_id": "CSAFPID-9106582" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.78", "product": { "name": "vers:unknown/v0.0.78", "product_id": "CSAFPID-9106581" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.79", "product": { "name": "vers:unknown/v0.0.79", "product_id": "CSAFPID-9106579" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.8", "product": { "name": "vers:unknown/v0.0.8", "product_id": "CSAFPID-8568160" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.80", "product": { "name": "vers:unknown/v0.0.80", "product_id": "CSAFPID-9106580" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.81", "product": { "name": "vers:unknown/v0.0.81", "product_id": "CSAFPID-9106578" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.82", "product": { "name": "vers:unknown/v0.0.82", "product_id": "CSAFPID-9106577" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.83", "product": { "name": "vers:unknown/v0.0.83", "product_id": "CSAFPID-9106576" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.84", "product": { "name": "vers:unknown/v0.0.84", "product_id": "CSAFPID-9106575" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.85", "product": { "name": "vers:unknown/v0.0.85", "product_id": "CSAFPID-9106574" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.86", "product": { "name": "vers:unknown/v0.0.86", "product_id": "CSAFPID-9106573" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.87", "product": { "name": "vers:unknown/v0.0.87", "product_id": "CSAFPID-9106572" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.88", "product": { "name": "vers:unknown/v0.0.88", "product_id": "CSAFPID-9106571" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.89", "product": { "name": "vers:unknown/v0.0.89", "product_id": "CSAFPID-9106570" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.9", "product": { "name": "vers:unknown/v0.0.9", "product_id": "CSAFPID-8568159" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.90", "product": { "name": "vers:unknown/v0.0.90", "product_id": "CSAFPID-9106569" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.91", "product": { "name": "vers:unknown/v0.0.91", "product_id": "CSAFPID-9106568" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.92", "product": { "name": "vers:unknown/v0.0.92", "product_id": "CSAFPID-9106567" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.93", "product": { "name": "vers:unknown/v0.0.93", "product_id": "CSAFPID-9106566" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.94", "product": { "name": "vers:unknown/v0.0.94", "product_id": "CSAFPID-9106565" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.95", "product": { "name": "vers:unknown/v0.0.95", "product_id": "CSAFPID-9106564" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.96", "product": { "name": "vers:unknown/v0.0.96", "product_id": "CSAFPID-9106563" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.97", "product": { "name": "vers:unknown/v0.0.97", "product_id": "CSAFPID-9106562" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.98", "product": { "name": "vers:unknown/v0.0.98", "product_id": "CSAFPID-9474635" } }, { "category": "product_version_range", "name": "vers:unknown/v0.0.99", "product": { "name": "vers:unknown/v0.0.99", "product_id": "CSAFPID-9474634" } } ], "category": "product_name", "name": "heym" } ], "category": "vendor", "name": "heymrun" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-100858", "cwe": { "id": "CWE-918", "name": "Server-Side Request Forgery (SSRF)" }, "notes": [ { "category": "description", "text": "heym before 0.0.109 contains a server-side request forgery vulnerability in the Slack, Discord, and Crawler workflow nodes. These nodes issue HTTP requests to URLs taken from user-created credentials (webhook_url / flaresolverr_url) using an unguarded HTTP client, bypassing the SSRF egress guard that already protects the HTTP, WebSocket, and MCP nodes; the credential API validates only that the URL is non-empty. Any registered user can create a credential pointing at an internal address and execute a workflow, causing the backend to reach loopback, private, link-local, or cloud-metadata endpoints and return the full response body in the node output (non-blind SSRF).", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-100858" }, { "category": "description", "text": "heym before 0.0.109 contains a server-side request forgery vulnerability in the Slack, Discord, and Crawler workflow nodes. These nodes issue HTTP requests to URLs taken from user-created credentials (webhook_url / flaresolverr_url) using an unguarded HTTP client, bypassing the SSRF egress guard that already protects the HTTP, WebSocket, and MCP nodes; the credential API validates only that the URL is non-empty. Any registered user can create a credential pointing at an internal address and execute a workflow, causing the backend to reach loopback, private, link-local, or cloud-metadata endpoints and return the full response body in the node output (non-blind SSRF).", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-100858" }, { "category": "description", "text": "heym before 0.0.109 contains a server-side request forgery vulnerability in the Slack, Discord, and Crawler workflow nodes. These nodes issue HTTP requests to URLs taken from user-created credentials (webhook_url / flaresolverr_url) using an unguarded HTTP client, bypassing the SSRF egress guard that already protects the HTTP, WebSocket, and MCP nodes; the credential API validates only that the URL is non-empty. Any registered user can create a credential pointing at an internal address and execute a workflow, causing the backend to reach loopback, private, link-local, or cloud-metadata endpoints and return the full response body in the node output (non-blind SSRF).", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-100858.json?alt=media" }, { "category": "other", "text": "0.00268", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "title": "CVSSV4" }, { "category": "other", "text": "7.6", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.5", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Cveprojectv5", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-8568148", "CSAFPID-8568149", "CSAFPID-8568150", "CSAFPID-8568151", "CSAFPID-8568152", "CSAFPID-8568153", "CSAFPID-8568154", "CSAFPID-8568155", "CSAFPID-8568156", "CSAFPID-8568157", "CSAFPID-8568158", "CSAFPID-8568159", "CSAFPID-8568160", "CSAFPID-8568161", "CSAFPID-8568162", "CSAFPID-8568163", "CSAFPID-8568164", "CSAFPID-8568165", "CSAFPID-8568166", "CSAFPID-8568167", "CSAFPID-9106562", "CSAFPID-9106563", "CSAFPID-9106564", "CSAFPID-9106565", "CSAFPID-9106566", "CSAFPID-9106567", "CSAFPID-9106568", "CSAFPID-9106569", "CSAFPID-9106570", "CSAFPID-9106571", "CSAFPID-9106572", "CSAFPID-9106573", "CSAFPID-9106574", "CSAFPID-9106575", "CSAFPID-9106576", "CSAFPID-9106577", "CSAFPID-9106578", "CSAFPID-9106579", "CSAFPID-9106580", "CSAFPID-9106581", "CSAFPID-9106582", "CSAFPID-9106583", "CSAFPID-9106584", "CSAFPID-9106585", "CSAFPID-9106586", "CSAFPID-9106587", "CSAFPID-9106588", "CSAFPID-9106589", "CSAFPID-9106590", "CSAFPID-9106591", "CSAFPID-9106592", "CSAFPID-9106593", "CSAFPID-9106594", "CSAFPID-9106595", "CSAFPID-9106596", "CSAFPID-9106597", "CSAFPID-9106598", "CSAFPID-9106599", "CSAFPID-9106600", "CSAFPID-9106601", "CSAFPID-9106602", "CSAFPID-9106603", "CSAFPID-9106604", "CSAFPID-9106605", "CSAFPID-9106606", "CSAFPID-9106607", "CSAFPID-9106608", "CSAFPID-9106609", "CSAFPID-9106610", "CSAFPID-9106611", "CSAFPID-9106612", "CSAFPID-9106613", "CSAFPID-9106614", "CSAFPID-9106615", "CSAFPID-9106616", "CSAFPID-9106617", "CSAFPID-9106618", "CSAFPID-9106619", "CSAFPID-9106620", "CSAFPID-9106621", "CSAFPID-9106622", "CSAFPID-9106623", "CSAFPID-9106624", "CSAFPID-9106625", "CSAFPID-9106626", "CSAFPID-9106627", "CSAFPID-9106628", "CSAFPID-9106629", "CSAFPID-9106630", "CSAFPID-9106631", "CSAFPID-9106632", "CSAFPID-9106633", "CSAFPID-9106634", "CSAFPID-9106635", "CSAFPID-9106636", "CSAFPID-9106637", "CSAFPID-9106638", "CSAFPID-9106639", "CSAFPID-9474628", "CSAFPID-9474629", "CSAFPID-9474630", "CSAFPID-9474631", "CSAFPID-9474632", "CSAFPID-9474633", "CSAFPID-9474634", "CSAFPID-9474635", "CSAFPID-9474639", "CSAFPID-9474640", "CSAFPID-9474641", "CSAFPID-9478916" ], "known_not_affected": [ "CSAFPID-9478915" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100858" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-100858" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-100858.json?alt=media" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-100858" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://github.com/heymrun/heym/security/advisories/GHSA-39j3-6x3x-8rcr" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; osv", "url": "https://www.vulncheck.com/advisories/heym-before-0.0.109-server-side-request-forgery-via-workflow-nodes" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100858.json" }, { "category": "external", "summary": "Reference - osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-100858" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "baseScore": 6.8, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-8568148", "CSAFPID-8568149", "CSAFPID-8568150", "CSAFPID-8568151", "CSAFPID-8568152", "CSAFPID-8568153", "CSAFPID-8568154", "CSAFPID-8568155", "CSAFPID-8568156", "CSAFPID-8568157", "CSAFPID-8568158", "CSAFPID-8568159", "CSAFPID-8568160", "CSAFPID-8568161", "CSAFPID-8568162", "CSAFPID-8568163", "CSAFPID-8568164", "CSAFPID-8568165", "CSAFPID-8568166", "CSAFPID-8568167", "CSAFPID-9106562", "CSAFPID-9106563", "CSAFPID-9106564", "CSAFPID-9106565", "CSAFPID-9106566", "CSAFPID-9106567", "CSAFPID-9106568", "CSAFPID-9106569", "CSAFPID-9106570", "CSAFPID-9106571", "CSAFPID-9106572", "CSAFPID-9106573", "CSAFPID-9106574", "CSAFPID-9106575", "CSAFPID-9106576", "CSAFPID-9106577", "CSAFPID-9106578", "CSAFPID-9106579", "CSAFPID-9106580", "CSAFPID-9106581", "CSAFPID-9106582", "CSAFPID-9106583", "CSAFPID-9106584", "CSAFPID-9106585", "CSAFPID-9106586", "CSAFPID-9106587", "CSAFPID-9106588", "CSAFPID-9106589", "CSAFPID-9106590", "CSAFPID-9106591", "CSAFPID-9106592", "CSAFPID-9106593", "CSAFPID-9106594", "CSAFPID-9106595", "CSAFPID-9106596", "CSAFPID-9106597", "CSAFPID-9106598", "CSAFPID-9106599", "CSAFPID-9106600", "CSAFPID-9106601", "CSAFPID-9106602", "CSAFPID-9106603", "CSAFPID-9106604", "CSAFPID-9106605", "CSAFPID-9106606", "CSAFPID-9106607", "CSAFPID-9106608", "CSAFPID-9106609", "CSAFPID-9106610", "CSAFPID-9106611", "CSAFPID-9106612", "CSAFPID-9106613", "CSAFPID-9106614", "CSAFPID-9106615", "CSAFPID-9106616", "CSAFPID-9106617", "CSAFPID-9106618", "CSAFPID-9106619", "CSAFPID-9106620", "CSAFPID-9106621", "CSAFPID-9106622", "CSAFPID-9106623", "CSAFPID-9106624", "CSAFPID-9106625", "CSAFPID-9106626", "CSAFPID-9106627", "CSAFPID-9106628", "CSAFPID-9106629", "CSAFPID-9106630", "CSAFPID-9106631", "CSAFPID-9106632", "CSAFPID-9106633", "CSAFPID-9106634", "CSAFPID-9106635", "CSAFPID-9106636", "CSAFPID-9106637", "CSAFPID-9106638", "CSAFPID-9106639", "CSAFPID-9474628", "CSAFPID-9474629", "CSAFPID-9474630", "CSAFPID-9474631", "CSAFPID-9474632", "CSAFPID-9474633", "CSAFPID-9474634", "CSAFPID-9474635", "CSAFPID-9474639", "CSAFPID-9474640", "CSAFPID-9474641", "CSAFPID-9478916" ] } ], "title": "CVE-2026-100858" } ] }