CVE-2025-58444

Description

The MCP inspector is a developer tool for testing and debugging MCP servers. A cross-site scripting issue was reported in versions of the MCP Inspector local development tool prior to 0.16.6 when connecting to untrusted remote MCP servers with a malicious redirect URI. This could be leveraged to interact directly with the inspector proxy to trigger arbitrary command execution. Users are advised to update to 0.16.6 to resolve this issue.

Weakness Type (CWE)

CWE-84 CWE-84

References

Other References

https://github.com/modelcontextprotocol/inspector/commit/650f3090d26344a672026b737d81586595bb1f60 https://github.com/modelcontextprotocol/inspector/security/advisories/GHSA-g9hg-qhmf-q45m

Frequently Asked Questions

What is CVE-2025-58444? +

The MCP inspector is a developer tool for testing and debugging MCP servers. A cross-site scripting issue was reported in versions of the MCP Inspector local development tool prior to 0.16.6 when connecting to untrusted remote MCP servers with a malicious redirect URI. This could be leveraged to interact directly with the inspector proxy to trigger arbitrary command execution. Users are advised to update to 0.16.6 to resolve this issue.

How do I check if I'm vulnerable to CVE-2025-58444? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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