CVE-2026-97229
GitLab
Published 13 Oct 2026 · updated 30 Oct 2026 · Undergoing Analysis
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 29 Oct 2026, with a remediation deadline of 1 Nov 2026 for US federal agencies.
Required action: 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.
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.
References
- docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ · Release Notes, Vendor Advisory
- gitlab.com/gitlab-org/gitlab/-/work_items/630686 · Issue Tracking
- hackerone.com/reports/4055749 · Permissions Required
- hackerone.com/reports/4058589 · Permissions Required
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229