CVE-2026-106503

The Backstage framework's @backstage/plugin-scaffolder-backend package is vulnerable to a scaffolder action input authorization bypass in versions prior to 3.3.1, 3.4.1, 4.0.3, and 4.1.0. An authenticated user with access to affected Scaffolder templates can bypass configured action restrictions....

CVE-2026-106503

Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by scaffolder action input authorization bypass. An authenticated user with access to affected Scaffolder templates could bypass...

CVE-2026-106503 Backstage: Scaffolder action input authorization bypass

Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by scaffolder action input authorization bypass. An authenticated user with access to affected Scaffolder templates could bypass...