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Cyber Security Agency of Singapore
Alerts

Critical Vulnerability in GitLab Community Edition and Enterprise Edition

14 October 2026

Attackers can exploit a critical vulnerability in GitLab Community Edition and Enterprise Edition to perform remote code execution without authentication. Patch immediately.

Background

GitLab has released security updates to address an integer overflow vulnerability (CVE-2026-97229) in the CI/CD Regular Expression Compiler affecting GitLab Community Edition (CE) and Enterprise Edition (EE). This vulnerability has a Common Vulnerability Scoring System (CVSS v3.1) score of 10.0 out of 10.

Impact

Due to an integer overflow vulnerability in the CI/CD Regular Expression Compiler, an unauthenticated remote attacker could submit a specially crafted regular expression in a CI/CD configuration file to execute arbitrary code on the affected GitLab server.

Affected Products

This vulnerability affects the following GitLab CE and EE versions:

  • GitLab CE/EE 19.4 versions prior to 19.4.2

  • GitLab CE/EE 19.3 versions prior to 19.3.5

  • GitLab CE/EE 19.2 versions prior to 19.2.8

Recommendations

Users and administrators of affected products are advised to update to the latest versions immediately.

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/ (opens in new tab)

https://nvd.nist.gov/vuln/detail/CVE-2026-97229 (opens in new tab)

https://www.bleepingcomputer.com/news/security/gitlab-warns-of-max-severity-rce-flaw-in-regex-compiler-engine/ (opens in new tab)