Improper Authorization in GitLab CE/EE Affects Multiple Versions
CVE-2025-12555

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
11 March 2026

What is CVE-2025-12555?

An issue has been identified in GitLab CE/EE that could potentially allow authenticated users to gain unauthorized access to sensitive pipeline job information. This vulnerability arises from inadequate authorization checks within projects where both repository and CI/CD functionalities are disabled. Specifically, users may exploit this flaw to retrieve information from previous pipeline jobs, exposing internal data that should remain confidential. GitLab has recognized and patched this issue in recent updates, ensuring improved security measures for its users.

Affected Version(s)

GitLab 15.1 < 18.7.6

GitLab 18.8 < 18.8.6

GitLab 18.9 < 18.9.2

References

https://hackerone.com/reports/3354642
technical-descriptionexploitpermissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/579126
https://about.gitlab.com/releases/2026/03/11/patch-releas...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thanks [iamgk808](https://hackerone.com/iamgk808) for reporting this vulnerability through our HackerOne bug bounty program
.