{"id":"CVE-2026-51994","aliases":["EUVD-2026-86017","GHSA-8rrr-xx35-4q6h"],"status":"published","title":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF)...","description":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00448,"percentile":0.39412,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-24T00:00:00Z","modified":"2026-10-28T02:30:43Z","exploits":[{"source":"pocgithub","id":"playb0t/mcp-remote-oauth-security","title":"playb0t/mcp-remote-oauth-security","date":"2026-07-31","url":"https://github.com/playb0t/mcp-remote-oauth-security"}],"references":[{"url":"https://github.com/geelen/mcp-remote","tags":["package"]},{"url":"https://github.com/geelen/mcp-remote/security/advisories","tags":["advisory"]},{"url":"https://github.com/playb0t/mcp-remote-oauth-security#readme","tags":["package"]},{"url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-metadata-ssrf.md","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51994","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8rrr-xx35-4q6h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51994.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-51994","description":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T18:12:07.474Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:39:50.160666Z"}],"euvd":[{"id":"EUVD-2026-86017","description":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-09-25T18:12:07Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T17:27:55.070935Z"}],"ghsa":[{"id":"GHSA-8rrr-xx35-4q6h","title":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF)...","description":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header","status":"published","published":"2026-09-24T15:31:34Z","modified":"2026-09-25T21:33:00Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:12:27.845198Z"}],"nvd":[{"id":"CVE-2026-51994","description":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header","status":"published","published":"2026-09-24T15:17:22.947Z","modified":"2026-09-25T19:17:26.853Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:51.036099Z"}],"osv":[{"id":"CVE-2026-51994","description":"mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF) via the resource_metadata URL extracted from a remote MCP server's WWW-Authenticate header","status":"published","published":"2026-09-24T00:00:00Z","modified":"2026-10-28T02:30:43.575276285Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:45:07.431113Z"}]}}