CVE-2025-62801

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.

Risk Information

Base Score
7.8
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.044

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2025-62800,CVE-2025-62801 are fixed in Python-fastmcp 2.13.0Windows
Vulnerabilities CVE-2025-62800,CVE-2025-62801 are fixed in Python-fastmcp for linux 2.13.0Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234