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.
References
| Link | Resource |
|---|---|
| https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ | Release Notes Vendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/633633 | Permissions Required |
| https://hackerone.com/reports/4093475 | Permissions Required |
| https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/ |
Configurations
Configuration 1 (hide)
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History
31 Oct 2026, 00:16
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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27 Oct 2026, 14:07
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Gitlab
Gitlab gitlab |
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| CPE | cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:enterprise:*:*:* cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* cpe:2.3:a:gitlab:gitlab:19.5.0:*:*:*:community:*:*:* cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* |
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| References | () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/ - Release Notes, Vendor Advisory | |
| References | () https://gitlab.com/gitlab-org/gitlab/-/work_items/633633 - Permissions Required | |
| References | () https://hackerone.com/reports/4093475 - Permissions Required |
22 Oct 2026, 01:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-22 01:16
Updated : 2026-10-31 00:16
NVD link : CVE-2026-110264
Mitre link : CVE-2026-110264
CVE.ORG link : CVE-2026-110264
JSON object : View
Products Affected
gitlab
- gitlab
CWE
CWE-190
Integer Overflow or Wraparound
