Vulnerability record · CVE-2026-110264 · published 22 October 2026

CVE-2026-110264: Gitlab integer overflow vulnerability

Gitlab · Gitlab

An issue has been discovered in GitLab CE/EE affecting all versions from 7.0 before 18.11.13, 19.0 before 19.0.10, 19.1 before 19.1.9, 19.2 before 19.2.9, 19.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an unauthenticated user to execute arbitrary code on the GitLab server due to integer overflow when compiling a specially crafted regular expression.

10.0 CVSS 3.1 Critical EPSS 1.3% · top 28.1% CWE-190 · Integer overflow

10.0CVSS 3.1 base score

1.3%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References

4 Nov 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Gitlab Gitlab

References

Link	Tags
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/	Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/633633	Permissions Required
https://hackerone.com/reports/4093475	Permissions Required
https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-110264), CISA KEV, FIRST EPSS (scores of 2026-11-11). This page is refreshed as NVD updates the record.