{"id":"CVE-2026-51994","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","modified":"2026-09-26T03:46:03.650771660Z","published":"2026-09-24T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51994.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51994.json"},{"type":"ADVISORY","url":"https://github.com/geelen/mcp-remote/security/advisories"},{"type":"ADVISORY","url":"https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-metadata-ssrf.md"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51994"},{"type":"PACKAGE","url":"https://github.com/geelen/mcp-remote"},{"type":"PACKAGE","url":"https://github.com/playb0t/mcp-remote-oauth-security#readme"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/punkpeye/mcp-remote","events":[{"introduced":"90d4ca99253a75595d1e51e78f647b673133d7e8"},{"fixed":"02619aff36e79803d7c894e8c8ae7b34b2d11f8c"}],"database_specific":{"extracted_events":[{"introduced":"0.1.32"},{"fixed":"0.1.38"}],"source":"DESCRIPTION"}}],"versions":["v0.1.37","v0.1.36","v0.1.35","v0.1.34","v0.1.33","v0.1.32"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-51994.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}