Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Maintainer role to modify protected branch configuration due to improper authorization in a projects API endpoint.
Affected products
gitlab: gitlab
References3
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-re… Release NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/work_items/604665 Broken Link
- hackerone.com/reports/3807593 Permissions Required
Metrics
- CVSS 3.1
-
4.9
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 1% percentile: 45 · as of 13 November 2026
- CWE
- CWE-862
Could this be exploited in your environment?
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