CVE-2025-49596 — MCP Inspector proxy server lacks authentication between the Inspector client and proxy
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 authen…
Published: 2025-06-13 · CVSS: 9.4 · CVSS 4.0
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. Users should immediately upgrade to version 0.14.1 or later to address these vulnerabilities.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7