CVE-2025-58444
CWE-84Published: September 8, 2025· Updated: Jun 17, 2026
Official 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.
Technical Analysis
CVE-2025-58444 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (A) is needed, which slightly reduces the risk of mass automated attacks.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (2)
Quick Facts
Related CVEs (CWE-84)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-58444 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts