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@modelcontextprotocol/inspector vulnerabilities

Vulnerabilities published for @modelcontextprotocol/inspector in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 2

  1. CVE-2025-58444

    High · CVSS 8.6EPSS 0.7%Fix available

    MCP Inspector is Vulnerable to Potential Command Execution via XSS When Connecting to an Untrusted MCP Server

    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.

    @modelcontextprotocol/inspectorNode.js
    • Update to 0.16.6
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  2. CVE-2025-49596

    Critical · CVSS 9.4EPSS 44.45%Public exploitFix available

    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 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.

    @modelcontextprotocol/inspectorNode.js
    • Update to 0.14.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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