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CVE-2025-49596 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/modelcontextprotocol/inspector/commit/50df0e1ec488f3983740b4d28d2a968f12eb8979	[email protected]	Source CodeVendor
https://github.com/modelcontextprotocol/inspector/security/advisories/GHSA-7f8r-222p-6f5g	[email protected]	AdvisoryRemedyVendor
https://thenewstack.io/mcp-vulnerability-exposes-the-ai-untrusted-code-crisis	[email protected]
https://www.oligo.security/blog/critical-rce-vulnerability-in-anthropic-mcp-inspector-cve-2025-49596	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-306	Missing Authentication for Critical Function	[email protected]

Affected Products

Product	Versions
@modelcontextprotocol/inspector	All versions
CPE No CPEs found in CPE dictionary for this product. Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jul 9, 2025	CVE Modified	[email protected]
Jun 13, 2025	New CVE Received	[email protected]