CVE-2026-97229
Integer Overflow or Wraparound in GitLab
CRITICAL 10.0EPSS 0.5%
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
- GitLab
- CVSS v3.1 GITLAB
- 10.0 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - EPSS
- 0.55% chance of exploitation in the next 30 days, 45th percentile
- Published
- 2026-10-13
- Updated
- 2026-10-14
Proof-of-concept exploits (6)
- https://hackerone.com/reports/4055749
- https://hackerone.com/reports/4058589
- AmpedWasTaken/CVE-2026-97229-GitLab-CI-CD-Regex-Compiler-RCE0★ · 2026-10-13
- jburgess-r7/CVE-2026-97229-PoC50★ · 2026-10-13
- OppositDeer/Gitlab-RCE-CVE-2026-97229
- gandli/cve-2026-97229-lab
Vulhub environments (1)
Security advisories
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686