Improper access control in GitLab Enterprise Edition - CVE-2026-14288
Published: October 22, 2026
Vulnerability identifier: #VU157247
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-14288
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to bypass a required merge request approval policy on a protected branch.
The vulnerability exists due to improper access control in merge request approval policy enforcement when synchronizing approval rules. A remote user can exploit insufficient access checks during synchronization to bypass a required approval policy on a protected branch.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2026-14288
Install security update from vendor's website.
GitLab Enterprise Edition - addressed in versions 19.3.6, 19.4.3, 19.5.1