Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server via a specially crafted regular expression in a CI/CD configuration, due to insufficient regular expression validation.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
GitLab GitLab
Default version status: unaffected
19.2 to < 19.2.8affected19.3 to < 19.3.5affected19.4 to < 19.4.2affected
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686 ↗
- https://hackerone.com/reports/4055749 ↗
- https://hackerone.com/reports/4058589 ↗
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229 ↗