An issue has been discovered in GitLab CE/EE affecting all versions from 15.0 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed an authenticated user to stall background job processing by sending specially crafted commit messages, merge request descriptions, or notes.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-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 17:10
Affected (CPE criteria) 2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
References 3
- https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/ Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/519335 Broken Link
- https://hackerone.com/reports/2903896 Permissions Required