Exposed dangerous method or function in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-5173

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Main Vulnerability Database Vulnerabilities #VU125544

Exposed dangerous method or function in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-5173

Published: April 9, 2026


Vulnerability identifier: #VU125544
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-5173
CWE-ID: CWE-749
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GitLab, Inc
Affected software:
GitLab Enterprise Edition
Gitlab Community Edition

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the exposure of a dangerous function in websocket connections. A remote user can invoke unintended server-side methods.


How to mitigate CVE-2026-5173

Install updates from vendor's website.

Sources