Main Vulnerability Database Vulnerabilities #VU151882

Missing Authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2026-4523

Published: September 23, 2026

Vulnerability identifier: #VU151882

CSH Severity: Low

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-4523

CWE-ID: CWE-862

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to read CI/CD job trace contents containing sensitive variable values.

The vulnerability exists due to improper authorization enforcement in the GraphQL CI job trace API when accessing CI/CD job traces. A remote attacker can access CI/CD job traces to read CI/CD job trace contents containing sensitive variable values.

Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2026-4523

Install security update from vendor's website.

GitLab Enterprise Edition - addressed in versions 19.2.7, 19.3.3, 19.4.1
Gitlab Community Edition - addressed in versions 19.2.7, 19.3.3, 19.4.1

External References

Related Security Bulletins