Unrated severityNVD Advisory· Published Aug 2, 2023· Updated Nov 20, 2025
Improper Validation of Specified Type of Input in GitLab
CVE-2023-3900
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. An invalid 'start_sha' value on merge requests page may lead to Denial of Service as Changes tab would not load.
Affected products
3- Range: >=16.1 <16.1.3, >=16.2 <16.2.2
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- hackerone.com/reports/2058514mitretechnical-descriptionexploitpermissions-required
- gitlab.com/gitlab-org/gitlab/-/issues/418770mitreissue-tracking
News mentions
1- GitLab Security Release: 16.2.2, 16.1.3, and 16.0.8GitLab Security Releases · Aug 1, 2023