What is CVE-2025-58444?

CVE-2025-58444 is a vulnerability in Modelcontextprotocol Inspector, classified under CWE-84. Published 2025-09-08.

Is CVE-2025-58444 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Modelcontextprotocol Inspector

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.

EPSS: 0.007 (49.7th percentile) — read the EPSS interpretation.

Affected products

Modelcontextprotocol Inspector — versions < 0.16.6

Weakness classification (CWE)

CWE-84

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-58444?: CVE-2025-58444 is a vulnerability in Modelcontextprotocol Inspector, classified under CWE-84. Published 2025-09-08.
Is CVE-2025-58444 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.