CVE-2026-51994

CRITICAL 9.1CVE-2026-51994 · Published 24/09/2026 · updated 25/09/2026

In short

CVE-2026-51994 is a CRITICAL (CVSS 9.1) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.35%, higher than 29.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

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

References

geelen/mcp-remote
geelen/mcp-remote security advisory
playb0t/mcp-remote-oauth-security
playb0t/mcp-remote-oauth-security

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