CVE-2026-89078

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:enterprise:*:*:*

History

31 Oct 2026, 00:16

Type Values Removed Values Added
References
  • () https://www.ruby-lang.org/en/news/2026/10/23/regexp-fixes-for-gitlab-cves/ -

28 Sep 2026, 15:22

Type Values Removed Values Added
CPE cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:enterprise:*:*:*
First Time Gitlab
Gitlab gitlab
References () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ - () https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ - Release Notes, Vendor Advisory
References () https://gitlab.com/gitlab-org/gitlab/-/work_items/628577 - () https://gitlab.com/gitlab-org/gitlab/-/work_items/628577 - Issue Tracking
References () https://hackerone.com/reports/4019059 - () https://hackerone.com/reports/4019059 - Permissions Required

24 Sep 2026, 00:17

Type Values Removed Values Added
New CVE

Information

Published : 2026-09-24 00:17

Updated : 2026-10-31 00:16


NVD link : CVE-2026-89078

Mitre link : CVE-2026-89078

CVE.ORG link : CVE-2026-89078


JSON object : View

Products Affected

gitlab

  • gitlab
CWE
CWE-415

Double Free