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CVE-2025-62801

5.4 medium SSVC exploitation: poc Analyzed
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 5.4 · jlowinNVD modified 2026-10-08 11:10

Affected (CPE criteria) 1

  • cpe:2.3:a:jlowin:fastmcp:*:*:*:*:*:*:*:*

References 2