Integer overflow in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-97229
Published: October 13, 2026
Vulnerability identifier: #VU154150
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97229
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the GitLab server.
The vulnerability exists due to integer overflow in the CI/CD regular expression compiler when processing regular expressions in CI/CD configurations. A remote attacker can supply a specially crafted regular expression in a CI/CD configuration to execute arbitrary code on the GitLab server.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2026-97229
Install security update from vendor's website.
GitLab Enterprise Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2
Gitlab Community Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2
Gitlab Community Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2