CVE-2026-110264

Integer Overflow or Wraparound in 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.

Affected

GitLab

CVSS v3.1 GitLab

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

Published

2026-10-22

Proof-of-concept exploits (2)

• OppositDeer/Gitlab-RCE-CVE-2026-110264Repo stars 1★ · pushed 2026-10-22
• https://hackerone.com/reports/4093475

References

• CVE Record
• NVD entry

Related

• CVE-2026-97229