Servers and applications
CVE-2026-1090
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the `markdown_placeholders` feature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing.
- Severity
- Medium 5.4
- Published
- 11 Mar 2026
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 18.7.6, 18.8.6, 18.9.2
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
GitLabServers and applications · cpe:a:gitlab:gitlab |
|