CVE-2025-49596 PoC — MCP Inspector 访问控制错误漏洞

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-49596.yaml

Associated Vulnerability

Title:MCP Inspector 访问控制错误漏洞 (CVE-2025-49596)
Description:MCP Inspector是Model Context Protocol开源的一个MCP服务器的可视化测试工具。 MCP Inspector 0.14.1之前版本存在访问控制错误漏洞，该漏洞源于缺少认证，可能导致远程代码执行。

Description

The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio.

File Snapshot


 id: CVE-2025-49596

info:
  name: MCP Inspector < 0.14.0 UnauthenticatedRemote Code Execution
  auth

...

Shenlong Bot has cached this for you

Remarks

1. It is advised to access via the original source first.

2. If the original source is unavailable, please email f.jinxu#gmail.com for a local snapshot (replace # with @).

3. Shenlong has snapshotted the POC code for you. To support long-term maintenance, please consider donating. Thank you for your support.

Goal Reached Thanks to every supporter — we hit 100%!