CVE Explorer
CVE-2025-66401
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"mcp-watch","vendor":"kapilduraphe","versions":[{"status":"affected","version":"<= 0.1.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:ed1fb3f62a920a439406e782d8dbe3bfc2c01ffd117367737de315ce2aab9f61 · sha256:f37a908d1c3bab85… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:ed1fb3f62a920a439406e782d8dbe3bfc2c01ffd117367737de315ce2aab9f61 · sha256:f37a908d1c3bab85… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:ed1fb3f62a920a439406e782d8dbe3bfc2c01ffd117367737de315ce2aab9f61 · sha256:f37a908d1c3bab85… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/kapilduraphe/mcp-watch/commit/e7da78c5b4b960f8b66c254059ad9ebc544a91a6","tags":["x_refsource_MISC"],"url":"https://github.com/kapilduraphe/mcp-watch/commit/e7da78c5b4b960f8b66c254059ad9ebc544a91a6"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ed1fb3f62a920a439406e782d8dbe3bfc2c01ffd117367737de315ce2aab9f61 · sha256:f37a908d1c3bab85… · /containers/cna/references/1
{"name":"https://github.com/kapilduraphe/mcp-watch/security/advisories/GHSA-27m7-ffhq-jqrm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kapilduraphe/mcp-watch/security/advisories/GHSA-27m7-ffhq-jqrm"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:ed1fb3f62a920a439406e782d8dbe3bfc2c01ffd117367737de315ce2aab9f61 · sha256:f37a908d1c3bab85… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.