{"id":"CVE-2025-66401","sourceIdentifier":"security-advisories@github.com","published":"2025-12-01T23:15:53.227","lastModified":"2026-10-18T18:10:00.100","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"MCP Watch is a comprehensive security scanner for Model Context Protocol (MCP) servers. In 0.1.2 and earlier, the MCPScanner class contains a critical Command Injection vulnerability in the cloneRepo method. The application passes the user-supplied githubUrl argument directly to a system shell via execSync without sanitization. This allows an attacker to execute arbitrary commands on the host machine by appending shell metacharacters to the URL."},{"lang":"es","value":"MCP Watch es un escáner de seguridad integral para servidores del Protocolo de Contexto del Modelo (MCP). En 0.1.2 y versiones anteriores, la clase MCPScanner contiene una vulnerabilidad crítica de inyección de comandos en el método cloneRepo. La aplicación pasa el argumento githubUrl proporcionado por el usuario directamente a un shell del sistema a través de execSync sin sanitización. Esto permite a un atacante ejecutar comandos arbitrarios en la máquina anfitriona al añadir metacaracteres de shell a la URL."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"kapilduraphe","product":"mcp-watch","versions":[{"version":"<= 0.1.2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-12-02T14:14:06.301237Z","id":"CVE-2025-66401","options":[{"exploitation":"poc"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-78"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:kapilduraphe:mcp_watch:*:*:*:*:*:node.js:*:*","versionEndIncluding":"0.1.2","matchCriteriaId":"EEA6FBCF-AD89-453B-ACFC-1E09703E03FC"}]}]}],"references":[{"url":"https://github.com/kapilduraphe/mcp-watch/commit/e7da78c5b4b960f8b66c254059ad9ebc544a91a6","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/kapilduraphe/mcp-watch/security/advisories/GHSA-27m7-ffhq-jqrm","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]}]}