Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-12053
Published: June 25, 2026
Vulnerability identifier: #VU135174
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-12053
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information that had already been committed to a project.
The vulnerability exists due to insufficient filtering in duo workflows when processing output. A remote user can access workflow output to disclose sensitive information that had already been committed to a project.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2026-12053
Install security update from vendor's website.
Gitlab Community Edition - update to 19.1.1
GitLab Enterprise Edition - update to 19.1.1
GitLab Enterprise Edition - update to 19.1.1