EUVD-2026-94068

Backstage: Scaffolder action input authorization bypass...

GHSA-HMP2-4M7G-22CV Backstage: Scaffolder action input authorization bypass

Impact An authenticated user with access to affected Scaffolder templates could bypass configured action restrictions. Depending on integration credentials, this could grant unauthorized access to repositories and related source-control resources. Patches Patched in...

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...

PT-2026-107300

Name of the Vulnerable Software and Affected Versions Backstage versions prior to 3.3.1 Backstage versions prior to 3.4.1 Backstage versions prior to 4.0.3 Backstage versions prior to 4.1.0 Description The @backstage/plugin-scaffolder-backend package contains an authorization bypass regarding...

CVE-2026-106503: Improper Handling of Case Sensitivity

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...