vulnerability
Gitlab Gitlab: CVE-2025-12653: Authentication Bypass by Spoofing
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:N/C:P/I:P/A:N) | Nov 26, 2025 | Nov 27, 2025 | Dec 12, 2025 |
Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
Nov 26, 2025
Added
Nov 27, 2025
Modified
Dec 12, 2025
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests.
Solution
gitlab-gitlab-upgrade-latest
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