GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/ Release Notes, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · gitlabNVD modified 2026-10-19 16:10
Affected (CPE criteria) 2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*cpe:2.3:a:gitlab:gitlab:18.5.0:*:*:*:enterprise:*:*:*
References 3
- https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/551267 Broken Link
- https://hackerone.com/reports/3209641 Permissions Required