{"id":"CVE-2025-62801","aliases":["GHSA-rj5c-58rq-j5g5","PYSEC-2026-1365"],"url":"https://o3.security/vulnerability/CVE-2025-62801","summary":"FastMCP vulnerable to windows command injection in FastMCP Cursor installer via server_name","details":"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.","published":"2025-10-28T21:36:41.167Z","modified":"2026-08-27T03:31:00.254984506Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"fastmcp","fixedVersion":"2.13.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62801.json"},{"type":"ADVISORY","url":"https://github.com/jlowin/fastmcp/security/advisories/GHSA-rj5c-58rq-j5g5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62801"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T03:31:00.254984506Z"}}