CVEvulnerability
CVE-2026-3254
3.5 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.5 LOW — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-1021
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to load unauthorized content into another user's browser due to improper input validation in the Mermaid sandbox.
Affected configurations
• gitlab gitlab 18.11.0
Related
Weakness · CWE (1)
- CWE-1021 Improper Restriction of Rendered UI Layers or Frames weakness
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/591587 Broken Link
- https://hackerone.com/reports/3572752 Permissions Required