CVE-2026-84284
Incorrect Authorization in GitLab
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 13, 2026
- Updated
- Oct 22, 2026
- Reserved
- Sep 1, 2026
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 19.2.8, 19.3 before 19.3.6, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read work item contents from private groups and projects due to incorrect authorization checks.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | GitLab |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/627167
- HackerOne Bug Bounty Report #3551698technical-descriptionexploitpermissions-required
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
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