CVE-2025-62801 — FastMCP vulnerable to windows command injection in FastMCP Cursor installer via server_name
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 …
Published: 2025-10-28 · CVSS: 5.4 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7