CVEvulnerability
CVE-2026-5816
8.1 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-41
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.
Affected configurations
• gitlab gitlab (>= 18.10.0 < 18.10.4)
• gitlab gitlab 18.11.0
Related
Weakness · CWE (1)
- CWE-41 Improper Resolution of Path Equivalence weakness
References
- https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/592816 Broken Link
- https://hackerone.com/reports/3572231 Permissions Required