Critical severity10.0NVD Advisory· Published Oct 22, 2026
CVE-2026-110264
CVE-2026-110264
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: 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
- Range: 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
Patches
Vulnerability mechanics
References
2News mentions
3- 12-Year-Old GitLab Vulnerability Allows Remote Code Execution on Self-Managed ServerCyber Security News · Oct 22, 2026
- Critical GitLab Flaw (CVSS 10.0) Could Allow Unauthenticated RCE Across 12 Years of ReleasesThe Hacker News · Oct 21, 2026
- GitLab Critical Patch Release: 19.5.1, 19.4.3, 19.3.6, 19.2.9, 19.1.9, 19.0.10, 18.11.13GitLab Security Releases · Oct 21, 2026