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CVE-2026-16301 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/	[email protected]	Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/606501	[email protected]	Issue Tracking
https://hackerone.com/reports/3853866	[email protected]	Permissions Required

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
gitlab gitlab	>= 18.7.0, < 19.2.8 >= 19.3.0, < 19.3.5 >= 19.4.0, < 19.4.2
CPE cpe:2.3:a:gitlab:gitlab:::::community:::* cpe:2.3:a:gitlab:gitlab:::::enterprise:::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 14, 2026	CVE Modified	CISA-ADP
Oct 14, 2026	Initial Analysis	[email protected]
Oct 13, 2026	New CVE Received	[email protected]