What is GHSA-8rrr-xx35-4q6h?

GHSA-8rrr-xx35-4q6h is a security advisory published by GitHub Security Advisories with Critical severity. mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF)...

Which CVE IDs does GHSA-8rrr-xx35-4q6h cover?

GHSA-8rrr-xx35-4q6h covers the following CVE IDs: CVE-2026-51994. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8rrr-xx35-4q6h?

GHSA-8rrr-xx35-4q6h has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-8rrr-xx35-4q6hCriticalCVSS 9.1

mcp-remote versions 0.1.32 through 0.1.38 are vulnerable to Server-Side Request Forgery (SSRF)...

Vendor

GitHub Security Advisories

Published

September 24, 2026

Last Modified

September 25, 2026

🔗 CVE IDs covered (1)

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

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-51994
https://github.com/geelen/mcp-remote
https://github.com/geelen/mcp-remote/security/advisories
https://github.com/playb0t/mcp-remote-oauth-security#readme
https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-01-resource-metadata-ssrf.md
https://github.com/advisories/GHSA-8rrr-xx35-4q6h