{"schema":"threatline.record/2","record":{"id":"CVE-2026-51994","aliases":[],"summary":"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","details":"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","categories":["Unclassified"],"product":"n/a","vendor":"n/a","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-51994","source_modified_at":"2026-09-25T18:12:07.474Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"n/a","vendor":"n/a","versions":[{"version":"n/a","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00353,"percentile":0.27793,"score_date":"2026-10-23"},"published_at":"2026-09-24T00:00:00.000Z","modified_at":"2026-09-25T18:12:07.474Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-51994","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-25T18:12:07.474Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-51994","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/geelen/mcp-remote"},{"source":"CVE List","url":"https://github.com/geelen/mcp-remote/security/advisories"},{"source":"CVE List","url":"https://github.com/playb0t/mcp-remote-oauth-security#readme"},{"source":"CVE List","url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-metadata-ssrf.md"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-09-25T18:11:53.566976Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-25T18:12:07.474Z","content_hash":"21ae95604f8f8db9fcb0fcc2fe2d5d69adce880fd54c02c805251f4de2bacb3f"}}