CVE-2025-66401 — CRITICAL (9.8)

Q: How severe is CVE-2025-66401?

CVE-2025-66401 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2025-66401?

Check the references section above for vendor advisories and patch information. Affected products include: Kapilduraphe Mcp Watch.

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Kapilduraphe	Mcp Watch	<= 0.1.2

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2025-66401?

CVE-2025-66401 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2025-66401?

CVE-2025-66401 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-66401?

Check the references section above for vendor advisories and patch information. Affected products include: Kapilduraphe Mcp Watch.