Improper access control in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-12555

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Main Vulnerability Database Vulnerabilities #VU123945

Improper access control in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2025-12555

Published: March 12, 2026


Vulnerability identifier: #VU123945
CSH Severity: Medium
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-2025-12555
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in runners API. A remote user can bypass implemented security restrictions and access previous pipeline job information on projects with repository and CI/CD disabled.


Affected software

Gitlab Community Edition
GitLab Enterprise Edition

How to mitigate CVE-2025-12555

Install updates from vendor's website.

Gitlab Community Edition - addressed in versions 18.7.6, 18.8.6, 18.9.2
GitLab Enterprise Edition - addressed in versions 18.7.6, 18.8.6, 18.9.2

External References

Related Security Bulletins