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.

CVSS 3.1

10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-25)

CWE

CWE-190

Published

2026-10-22

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/633633
• https://hackerone.com/reports/4093475

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