CVE-2026-97229
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.8, 19...
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-10-29. Federal due date: 2026-11-01.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Impact
GitLab Community Edition and Enterprise Edition contain a integer overflow or wraparound vulnerability that could allow 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
| Vendor | Product | Affected versions |
|---|---|---|
| Gitlab | Gitlab | from 19.2.0 before 19.2.8 from 19.3.0 before 19.3.5 from 19.4.0 before 19.4.2 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- CISA KEV catalog
- https://github.com/advisories/GHSA-9hj5-r43h-h3xg
- https://nvd.nist.gov/vuln/detail/CVE-2026-97229
- https://hackerone.com/reports/4055749
- https://hackerone.com/reports/4058589
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229
- https://github.com/rapid7/metasploit-framework/pull/22017
- https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
- https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/