CVE-2026-15423
HighCVSS 8.5Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
GitLab CE/EE versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 have a vulnerability that under certain conditions could allow an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.
Risk Assessment
An authenticated user with developer-role permissions could execute CI/CD pipelines on protected branches, potentially leading to unauthorized code changes and repository integrity compromise.
Recommendation
Upgrade GitLab CE/EE to version 19.0.6, 19.1.4, or 19.2.2 (or later) depending on your version. Review permissions of users with developer role.
Original NVD description (English source)
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.

