Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 prior to 18.4.5, 18.5 prior to 18.5.3, and 18.6 prior to 18.6.1 that could have allowed an authenticated user to obtain credentials from higher-privileged users and perform actions in their context under specific conditions.
Affected products
gitlab: gitlab
References3
- about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-…
- gitlab.com/gitlab-org/gitlab/-/issues/494478 Broken Link
- hackerone.com/reports/2707421 Third Party Advisory
Metrics
- CVSS 3.1
-
6.4
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 0% percentile: 17 · as of 11 November 2026
- CWE
- CWE-367
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.