Missing Authentication for Critical Function Affecting @modelcontextprotocol/inspector package, versions <0.14.1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.52% (66th percentile)

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  • Snyk IDSNYK-JS-MODELCONTEXTPROTOCOLINSPECTOR-10381203
  • published18 Jun 2025
  • disclosed13 Jun 2025
  • creditUnknown

Introduced: 13 Jun 2025

NewCVE-2025-49596  (opens in a new tab)
CWE-306  (opens in a new tab)

How to fix?

Upgrade @modelcontextprotocol/inspector to version 0.14.1 or higher.

Overview

@modelcontextprotocol/inspector is a Model Context Protocol inspector

Affected versions of this package are vulnerable to Missing Authentication for Critical Function due to a lack of authentication between the client and proxy, an attacker can send unauthenticated requests to the system. This allows them to execute arbitrary commands remotely, leading to a complete compromise of the application.

References

CVSS Base Scores

version 4.0
version 3.1