CVE-2026-4527
Cross-Site Request Forgery (CSRF) in GitLab
- State
- Published
- Severity
- 6.5 Medium
- Published
- May 14, 2026
- Updated
- May 14, 2026
- Reserved
- Mar 20, 2026
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N | GitLab |
Weaknesses
- CWE-352 Cross-Site Request Forgery (CSRF)
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/594339
- HackerOne Bug Bounty Report #3590487technical-descriptionexploitpermissions-required
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
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