CVE-2026-97229
Published: October 28, 2026Last modified: October 28, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 10 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | ruby | Fixed (3.3.13-r0) |
| 25 LTS | ruby | Fixed (3.4.12-r0) | |
| Stream | ruby | Fixed (3.4.12-r0) |
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
- https://github.com/rapid7/metasploit-framework/pull/22017
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686
- https://hackerone.com/reports/4055749
- https://hackerone.com/reports/4058589
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229
- https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/