CVE-2025-6514 CRITICAL

CVE-2025-6514: OS command injection in mcp-remote when connecting to untrusted MCP servers

Weakness CWE-78

Published July 9, 2025

Last update July 9, 2025

View on NVD All CVEs

CVSS base score

9.6/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 9, 2025 CVE published

July 9, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-6514 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/78.html

Related vulnerabilities

04Related CVE

CVE-2020-3371 Cisco Integrated Management Controller Command Injection Vulnerability CVE-2026-45564 Roxy-WI: Authenticated RCE via 'configver' URL parameter (os.system sink in /config/versions/.../save) CVE-2022-48581 CVE-2026-46624 Twenty: SQL Injection via the timeZone field CVE-2026-4480 Samba: samba: remote code execution in printing subsystem via unescaped job description