PatchTheCVEfastmcp vulnerabilities and fixes
Recent CVEs affecting fastmcp, with upgrade or downgrade steps. 1 tracked.
fastmcp has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-02. Highest priority: CVE-2026-32871 (score 63/100).
- CVE-2026-32871 CRITICAL 10.0 UPGRADE FastMCP is a Pythonic way to build MCP servers and clients
FAQ
How do I fix fastmcp vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is fastmcp being exploited right now?
None of the tracked fastmcp CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which fastmcp CVE should I patch first?
CVE-2026-32871 currently ranks highest (63/100): FastMCP is a Pythonic way to build MCP servers and clients.