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CVE-2025-66401— MCP Watch has a Critical Command Injection in cloneRepo allows Remote Code Execution (RCE) via malicious URL

Quick assessment

Affected
kapilduraphe mcp-watch
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MCP Watch是Kapil Duraphe个人开发者的一个用于模型上下文协议服务器的全面安全扫描程序。 MCP Watch 0.1.2及之前版本存在操作系统命令注入漏洞，该漏洞源于命令注入，可能导致任意命令执行。

CVSS 9.8 · Critical EPSS 2.23% · P82

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-66401

Vulnerability Information
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Vulnerability Title
MCP Watch has a Critical Command Injection in cloneRepo allows Remote Code Execution (RCE) via malicious URL
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
MCP Watch 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MCP Watch是Kapil Duraphe个人开发者的一个用于模型上下文协议服务器的全面安全扫描程序。 MCP Watch 0.1.2及之前版本存在操作系统命令注入漏洞，该漏洞源于命令注入，可能导致任意命令执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
kapilduraphe mcp-watch <= 0.1.2 -

II. Public POCs for CVE-2025-66401

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7750 chars
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III. Intelligence Information for CVE-2025-66401

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IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2025-66401

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