fastmcp vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

Browse by ecosystem

npm PyPI Maven Go RubyGems Cargo NuGet Composer pub Swift GitHub Actions

CVE-IDSeverityPackage summary

CVE-2026-32871Criticalfastmcp: FastMCP OpenAPI Provider has an SSRF & Path Traversal Vulnerability CVE-2026-27124Highfastmcp: FastMCP: Missing Consent Verification in OAuth Proxy Callback Facilitates Confused Deputy Vulnerabilities CVE-2025-64340Mediumfastmcp: FastMCP has a Command Injection vulnerability - Gemini CLI CVE-2025-69196Highfastmcp: FastMCP OAuth Proxy token reuse across MCP servers GHSA-RCFX-77HG-W2WVHighfastmcp: FastMCP updated to MCP 1.23+ due to CVE-2025-66416 CVE-2025-62801Mediumfastmcp: FastMCP vulnerable to windows command injection in FastMCP Cursor installer via server_name CVE-2025-62800Mediumfastmcp: FastMCP vulnerable to reflected XSS in client's callback page GHSA-C2JP-C369-7PVXHighfastmcp: FastMCP Auth Integration Allows for Confused Deputy Account Takeover

Stop the waste.
Protect your environment with Kodem.

Get a personalized demo

Get a personalized demo