Authorization Flaw in GitLab CE/EE Affects Multiple Versions
CVE-2026-6713

5.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
27 May 2026

What is CVE-2026-6713?

An authorization issue in GitLab CE/EE allowed unauthorized users to enumerate private projects. This flaw affected versions prior to 18.10.7, 18.11.4, and 19.0.1, where incorrect authorization checks did not restrict access appropriately under certain conditions.

Affected Version(s)

GitLab 18.2 < 18.10.7

GitLab 18.11 < 18.11.4

GitLab 19.0 < 19.0.1

References

https://gitlab.com/gitlab-org/gitlab/-/work_items/597490
https://hackerone.com/reports/3644605
technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/05/27/patch-releas...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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