CVEvulnerability
CVE-2026-2973
5.4 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-25
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.7 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to execute arbitrary JavaScript in a user's browser due to improper sanitization of entity-encoded content in Mermaid diagrams.
Affected configurations
• gitlab gitlab (>= 17.7.0 < 18.8.7)
• gitlab gitlab (>= 18.9.0 < 18.9.3)
• gitlab gitlab 18.10.0
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/591049 Broken Link
- https://hackerone.com/reports/3566802 Permissions Required