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Cyber Security Agency of Singapore
Alerts

Critical Vulnerability in GitLab

22 October 2026

Attackers can exploit a critical vulnerability in GitLab to execute arbitrary code without authentication. Patch immediately.

Background

GitLab has released security updates to address a critical vulnerability (CVE-2026-110264) affecting GitLab Community Edition (CE) and Enterprise Edition (EE). The vulnerability has a Common Vulnerability Scoring System (CVSS v3.1) score of 10 out of 10.

Impact

Successful exploitation of this vulnerability could allow an unauthenticated attacker to execute arbitrary code on affected systems, potentially resulting in the compromise of these systems.

Affected Products

The vulnerability affects the following versions of GitLab CE and EE:

  • All versions from 7.0 before 18.11.13

  • Versions 19.0 before 19.0.10

  • Versions 19.1 before 19.1.9

  • Versions 19.2 before 19.2.9

  • Versions 19.3 before 19.3.6

  • Versions 19.4 before 19.4.3

  • Versions 19.5 before 19.5.1

Recommendations

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

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ (opens in new tab)

https://nvd.nist.gov/vuln/detail/cve-2026-110264 (opens in new tab)

https://thehackernews.com/2026/10/critical-gitlab-flaw-cvss-100-could.html (opens in new tab)