Is fastmcp affected by CVE-2025-64340?

PyPI fastmcp is affected in <3.2.0.

Is CVE-2025-64340 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

medium

CVE-2025-64340

Q: Is CVE-2025-64340 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.7%.

PyPI · fastmcp

Summary

FastMCP has a Command Injection vulnerability - Gemini CLI

Severity: medium
EPSS: 0.7% (p50)
Also known as: GHSA-m8x7-r2rg-vh5g
Published: 2026-03-31

References

https://github.com/PrefectHQ/fastmcp/security/advisories/GHSA-m8x7-r2rg-vh5g
https://github.com/jlowin/fastmcp/security/advisories/GHSA-m8x7-r2rg-vh5g
https://nvd.nist.gov/vuln/detail/CVE-2025-64340

Related advisories

CVE-2026-32871 — critical · PyPI/fastmcp
CVE-2026-27124 — high · PyPI/fastmcp
CVE-2025-69196 — high · PyPI/fastmcp
GHSA-rcfx-77hg-w2wv — high · PyPI/fastmcp
GHSA-c2jp-c369-7pvx — high · PyPI/fastmcp
CVE-2025-62801 — medium · PyPI/fastmcp
CVE-2025-62800 — medium · PyPI/fastmcp

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.