GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to cause denial of service due to uncontrolled resource consumption when processing a specially crafted file upload.
https://hackerone.com/reports/3517331
https://gitlab.com/gitlab-org/gitlab/-/work_items/587825
https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/