Authorization Flaw in GitLab CE/EE Affecting User Roles
CVE-2026-6567

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
13 October 2026

What is CVE-2026-6567?

An authorization issue exists in GitLab CE/EE that allows authenticated users with the reporter role to access restricted CI artifact reports due to inadequate authorization checks. This vulnerability affects specific versions of GitLab, enabling unintended access to sensitive information which should not be visible to users with limited permissions.

Affected Version(s)

GitLab 13.8 < 19.2.8

GitLab 19.3 < 19.3.5

GitLab 19.4 < 19.4.2

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/597328
https://hackerone.com/reports/3603015
technical-descriptionexploitpermissions-required
https://docs.gitlab.com/releases/patches/patch-release-gi...

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 [se1en](https://hackerone.com/se1en) for reporting this vulnerability through our HackerOne bug bounty program
.