CVE-2025-62801 – FastMCP vulnerable to windows command injection in FastMCP Cursor installer via server_name

CVE ID : CVE-2025-62801

Published : Oct. 28, 2025, 10:15 p.m. | 29 minutes ago

Description : 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.

Severity: 5.4 | MEDIUM

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