Incorrect authorization in GitLab Enterprise Edition - CVE-2026-81839
Published: October 13, 2026
Vulnerability identifier: #VU154153
CSH Severity: Low
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-81839
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary CI/CD pipelines in a transferred project with the new group's privileges.
The vulnerability exists due to incorrect authorization caused by improper cleanup of scheduled pipeline execution policy records in scheduled pipeline execution policies when a project is transferred. A remote user can use retained scheduled pipeline execution policy records to execute arbitrary CI/CD pipelines in a transferred project with the new group's privileges.
User interaction is required.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2026-81839
Install security update from vendor's website.
GitLab Enterprise Edition - addressed in versions 19.2.8, 19.3.4, 19.4.2