CVE-2026-110264: gitlab Integer Overflow or Wraparound
CVSS: 10.0v3.1CriticalReceived
Published 22-10-2026Last modified 22-10-2026
Vulnerability summary
CVE-2026-110264 is a critical (CVSS 10.0) Integer Overflow or Wraparound vulnerability in gitlab. 1 public exploit is recorded.
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)EPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 22-10-2026PublishedVulnerability first disclosed.
Description
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 metrics
2 scores · 2 sources · 1 versionCritical 10.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST10.0CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Gitlab1 product
- gitlab≥ 7.0, < 18.11.13 | ≥ 19.0, < 19.0.10 | ≥ 19.1, < 19.1.9 | ≥ 19.2, < 19.2.9 | ≥ 19.3, < 19.3.6 | ≥ 19.4, < 19.4.3 | ≥ 19.5, < 19.5.1
1 vendor · 1 product