CVE-2026-97229
GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Vulnerability
GitLab Community Edition and Enterprise Edition
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.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 29 October 2026. US federal agencies were required to remediate it by 1 November 2026.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 65.2%, which is higher than 99.3% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Frequently asked questions
Is CVE-2026-97229 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-97229.
What does CVE-2026-97229 affect?
CVE-2026-97229 affects GitLab Community Edition and Enterprise Edition. 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.
How severe is CVE-2026-97229?
CVE-2026-97229 is rated CRITICAL with a CVSS base score of 10. EPSS puts the probability of exploitation in the next 30 days at 65.2%, higher than 99.3% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 1 November 2026.
How should organisations respond to CVE-2026-97229?
Apply the vendor patch for GitLab Community Edition and Enterprise Edition as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.