CVE-2026-51994
criticalmcp-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…
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
CVSS
9.1
9.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-09-24 15:17
Modified: 2026-09-25 19:17
NVD status: Deferred
Last synced 2 days ago
Verified against the source API 2026-10-27 06:55 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/geelen/mcp-remote cve@mitre.org
- https://github.com/geelen/mcp-remote/security/advisories cve@mitre.org
- https://github.com/playb0t/mcp-remote-oauth-security#readme cve@mitre.org
- https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-... cve@mitre.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗