Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks.

Related CPE's

a

gitlab

gitlab

6

References

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/work_items/567781

Broken Link

https://hackerone.com/reports/3275222

Permissions Required

Weaknesses

[email protected]

Secondary
CWE-863

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

2.7 · Low

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-04-22T17:16:33.557Z

5 months ago

Last modified

2026-06-17T10:10:09.230Z

3 months ago