CVE-2023-3900
Improper Validation of Specified Type of Input in GitLab
- State
- Published
- Severity
- 4.3 Medium
- Published
- Aug 2, 2023
- Updated
- Nov 20, 2025
- Reserved
- Jul 25, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L | GitLab |
Weaknesses
- CWE-1287 Improper Validation of Specified Type of Input
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- GitLab Issue #418770issue-tracking
- HackerOne Bug Bounty Report #2058514technical-descriptionexploitpermissions-required
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