GitLab Issues Critical Patches for CVE-2026-110264 Affecting Wide Range of Versions
GitLab has published emergency security updates addressing multiple vulnerabilities in its software development platform, including a critical flaw that could allow unauthenticated remote code execution.
The most severe issue, identified as CVE-2026-110264, involves an integer overflow in the regular expression compiler. Under specific conditions, a crafted regular expression can trigger arbitrary code execution on the GitLab server without requiring authentication.
This vulnerability affects a broad range of versions starting from GitLab 7.0 and has been assigned the maximum CVSSv3.1 base score of 10.0, classifying it as Critical.
On October 21, 2026, GitLab released patches for both GitLab Community Edition (CE) and GitLab Enterprise Edition (EE). The updates cover the following versions: 19.5.1, 19.4.3, 19.3.6, 19.2.9, 19.1.9, 19.0.10, and 18.11.13, ensuring fixes reach both current and legacy branches.
Administrators are strongly advised to apply the updates immediately to mitigate the risk of exploitation.
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