CVE-2026-51994

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

  • Published Sep 24, 2026
  • CVSS 9.1 critical
  • 0.4% chance of exploitation in the next 30 days (EPSS)

CVE-2026-51994 at the National Vulnerability Database