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OpenAdvisories
Medium · 5.4 CVE-2026-4398 EUVD-2026-67167GHSA-hpxp-rx7c-457j

Authorization Bypass Through User-Controlled Key in GitLab

Published Aug 27, 2026 · Updated Aug 28, 2026 · Assigned by GitLab

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.

Affected products

VendorProductAffectedFixed
GitLab GitLab 18.3 – < 19.1.7, 19.2 – < 19.2.5, 19.3 – < 19.3.1 19.1.7

Advisories 1

References