CVE-2026-97229
critical CISA KEVGitLab 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 c…
Vendor / product: Gitlab — gitlab
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Required action (CISA)
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.
Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ cve@gitlab.com
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686 cve@gitlab.com
- https://hackerone.com/reports/4055749 cve@gitlab.com
- https://hackerone.com/reports/4058589 cve@gitlab.com
- https://github.com/rapid7/metasploit-framework/pull/22017 af854a3a-2127-422b-91ae-364da2661108
- https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/ af854a3a-2127-422b-91ae-364da2661108
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229 134c704f-9b21-4f2e-91b3-4a467353bcc0