CVE-2025-12669
Improper Control of Generation of Code ('Code Injection') in GitLab
- State
- Published
- Severity
- 5.4 Medium
- Published
- May 14, 2026
- Updated
- May 14, 2026
- Reserved
- Nov 3, 2025
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject HTML and JavaScript into email notifications sent to other users due to improper input sanitization.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | GitLab |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- HackerOne Bug Bounty Report #3368096technical-descriptionexploitpermissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/579385
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
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