Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.

Related CPE's

a

gitlab

gitlab

4

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/592816

Broken Link

https://hackerone.com/reports/3572231

Permissions Required

Weaknesses

[email protected]

Secondary
CWE-41

CVSS impact metrics

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

8 · High

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-04-22T17:16:44.763Z

5 months ago

Last modified

2026-06-17T10:59:41.650Z

3 months ago