Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2026-12053
Published: June 25, 2026
Vulnerability identifier: #VU135174
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-12053
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
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.
How to mitigate CVE-2026-12053
Install security update from vendor's website.