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CVE-2025-6514 — Vulnerability in mcp-remote — CVE Details

CRITICAL

mcp-remote exposed to OS command injection via untrusted MCP server connections

Published July 9, 2025Updated July 9, 2025Source: osv

Summary

mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL

Advisory Timeline

  • First published July 9, 2025 (460 days ago).
  • Last revised July 9, 2025 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

npm
Update mcp-remote to 0.1.16 or later
npm install mcp-remote@0.1.16

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: npm (1).

PackageEcosystemAffectedFixed In
mcp-remote
npm
All versions0.1.16

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-78
    OS Command InjectionMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2025-6514?
mcp-remote exposed to OS command injection via untrusted MCP server connections This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.6/10).
How do I check if my project is affected by CVE-2025-6514?
CVE-2025-6514 affects mcp-remote. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-6514 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.6

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-6xpm-ggf7-wc3p

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