CVE-2026-16301: gitlab gitlab

CVSS 8.5 (high) · published 2026-10-13

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user with Developer role to execute CI/CD pipelines on protected branches without authorization due to improper authorization checks in the downstream pipeline creation service.

Affected products (NVD): gitlab gitlab

Fixed in (NVD): 19.2.8, 19.3.5, 19.4.2

Weakness: CWE-863

Source: NVD CVE-2026-16301

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/606501
• https://hackerone.com/reports/3853866

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