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8.6 High

CVE-2025-58444 The MCP inspector is a developer tool for testing and debugging MCP servers

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.

Affected products and versions

Product Affected versions Fixed in
inspector 0.16 earliest → < 0.16.6 0.16.6

Other CVEs of inspector

The 3 CVEs of inspector →
CVE-2026-119025 open 7.2.0 before 11.0.0 contains an OS command injection vulnerability that allows attackers to execute PowerShell code… 7.7 High CVE-2025-49596 The MCP inspector is a developer tool for testing and debugging MCP servers 9.4 Critical
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