CVE-2025-62801 (GCVE-0-2025-62801)
Vulnerability from cvelistv5
Published
2025-10-28 21:36
Modified
2025-10-29 14:54
Severity ?
5.4 (Medium) - CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0, a command-injection vulnerability lets any attacker who can influence the server_name field of an MCP execute arbitrary OS commands on Windows hosts that run fastmcp install cursor. This vulnerability is fixed in 2.13.0.
References
Impacted products
Vendor Product Version
jlowin fastmcp Version: < 2.13.0
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