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CVE-2025-62801

FastMCP

7.8
Severity
High
Published
October 28, 2025
Last modified
October 8, 2026

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.

CVSS vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness

References

CVE-2025-62801 on NVD

Listed in

HighMCP serversCommand injection

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