MSRXCVE-2026-97229
CVE-2026-97229
GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Vulnerability
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.
CVSS 3.1 · CNA · gitlab.com
chance of exploitation in the next 30 days (EPSS; higher than 98% of CVEs)
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.
Scores
Affected products
- gitlab gitlab: ≥ 19.2.0, < 19.2.8; ≥ 19.3.0, < 19.3.5; ≥ 19.4.0, < 19.4.2
Weakness: CWE-190
Also known as: BIT-gitlab-2026-97229
7 references (advisories, patches, write-ups)
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ · Release Notes, Vendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/work_items/630686 · Broken Link
- https://hackerone.com/reports/4055749 · Permissions Required
- https://hackerone.com/reports/4058589 · Permissions Required
- https://github.com/rapid7/metasploit-framework/pull/22017
- https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-97229 · US Government Resource
Sources: NVD, CVE.org, OSV.dev, FIRST EPSS. Missing ones did not answer or have no record yet.