CVE-2026-3035
Authentication Bypass Using an Alternate Path or Channel in GitLab
- State
- Published
- Severity
- 5.5 Medium
- Published
- Aug 26, 2026
- Updated
- Aug 26, 2026
- Reserved
- Feb 23, 2026
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with project Maintainer permissions could have accessed the terminal of a protected environment they were not authorized to use due to improper authorization checks.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N | GitLab |
Weaknesses
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- HackerOne Bug Bounty Report #3529751technical-descriptionexploitpermissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/591189
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
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