Backstage has improper authorization in GitLab organizational user ingestion

Impact Deployments that enable GitLab organization event ingestion and rely on scoped catalog users as an access boundary may admit an unintended catalog identity. Depending on sign-in and permission configuration, this may allow unauthorized access with the permissions of a standard authenticate...

CVE-2026-106460

A flaw was found in the @backstage/plugin-auth-node package. This vulnerability allows an authenticated attacker to achieve privilege escalation by assuming another user's catalog identity and gaining their access permissions. The issue occurs because the component does not consistently enforce...