CVE intelligence

CVE-2026-110264

Vulnerability intelligence

Published Oct 22, 2026Sources checked Oct 26, 2026

10.0CRITICALCVSS out of 10

What this means

Review the available evidence

CVE-2026-110264 and is rated Critical severity with a CVSS score of 10.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Oct 25, 2026

Release Notes

Vendor-listed releases

3.3.13-11

CISA KEVNot listedBased on the latest collected catalog

EPSS1.0%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Publisher research

Version guidance and technical research

Collected from the publisher for this CVE. Check the source for configuration requirements and supported upgrade paths.

GitLab

Vendor-listed versions for CVE-2026-110264. A fixed release does not establish the state of your systems.
Product	Affected versions	Fixed release
GitLab CE/EE	7.0 up to, but not including, 18.11.13	18.11.13
GitLab CE/EE	19.0 up to, but not including, 19.0.10	19.0.10
GitLab CE/EE	19.1 up to, but not including, 19.1.9	19.1.9
GitLab CE/EE	19.2 up to, but not including, 19.2.9	19.2.9
GitLab CE/EE	19.3 up to, but not including, 19.3.6	19.3.6
GitLab CE/EE	19.4 up to, but not including, 19.4.3	19.4.3
GitLab CE/EE	19.5 up to, but not including, 19.5.1	19.5.1

Follow the vendor upgrade path and check deployment-specific prerequisites.

Read GitLab: GitLab Critical Patch Release: 19.5.1, 19.4.3, 19.3.6, 19.2.9, 19.1.9, 19.0.10, 18.11.13

Published 2026-10-21. Last successful check: 2026-10-26 08:30 UTC.

Overview

What is CVE-2026-110264?

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.

Source: NVD