Medium severity4.8NVD Advisory· Published Dec 1, 2023· Updated Jun 17, 2026
CVE-2023-5226
CVE-2023-5226
Description
An issue has been discovered in GitLab affecting all versions before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. Under certain circumstances, a malicious actor bypass prohibited branch checks using a specially crafted branch name to manipulate repository content in the UI.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 0
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: <16.4.3
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: <16.4.3
- cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:16.6.0:*:*:*:enterprise:*:*:*
- (no CPE)range: <16.4.3, >=16.5 <16.5.3, >=16.6 <16.6.1
Patches
Vulnerability mechanics
References
2- gitlab.com/gitlab-org/gitlab/-/issues/426400nvdBroken LinkVendor Advisory
- hackerone.com/reports/2173053nvdPermissions RequiredThird Party Advisory
News mentions
1- GitLab Security Release: 16.6.1, 16.5.3, 16.4.3GitLab Security Releases · Nov 30, 2023