GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to inject malicious content into project labels titles.
https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/