GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.0 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an unauthenticated user to cause a denial of service by issuing specially crafted requests to repository archive endpoints under certain conditions.
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
https://hackerone.com/reports/3441004