CVE-2026-2745
Authentication Bypass Using an Alternate Path or Channel in GitLab
- State
- Published
- Severity
- 6.8 Medium
- Published
- Mar 25, 2026
- Updated
- Mar 26, 2026
- Reserved
- Feb 19, 2026
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.8 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N | GitLab |
Weaknesses
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
Affected Products
| Product | Versions |
|---|---|
GitLabGitLab |
|
References
- HackerOne Bug Bounty Report #3557844technical-descriptionexploitpermissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/590810
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/
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