CVE-2026-16301

HIGHCVSS 8.5

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.

Timeline

Published:October 13th, 2026 2:16 AM

Last modified:October 14th, 2026 8:17 PM

CVSS Scoring

CVSS v3: 8.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N

Affected Software

From NVD CPE configuration data

Vendors

gitlab

Products

gitlab

Weaknesses (CWE)

CWE-863

References & Reports

Advisories, patches, and third-party reports

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/606501Issue Tracking
https://hackerone.com/reports/3853866Permissions Required

Source: NIST NVD · Data may lag official sources by up to one minute