Incorrect authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-14351
Published: July 29, 2026 / Updated: July 30, 2026
Vulnerability identifier: #VU140485
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-14351
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to view the title of a confidential issue.
The vulnerability exists due to improper authorization checks in merge request title generation when generating titles for publicly accessible merge requests. A remote user can access a publicly accessible merge request to view the title of a confidential issue.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2026-14351
Install security update from vendor's website.
GitLab Enterprise Edition - addressed in versions 19.0.5, 19.1.3, 19.2.1
Gitlab Community Edition - addressed in versions 19.0.5, 19.1.3, 19.2.1
Gitlab Community Edition - addressed in versions 19.0.5, 19.1.3, 19.2.1