CVE-2026-106502

Fixed upstream EPSS <1%CVSS 5.3

Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package could expose sensitive information in Scaffolder task failure events. Under specific template and failure conditions, an authenticated user may retrieve backend-managed credentials used during task execution from affected task events. This issue is fixed in version 4.1.0.

Published 2026-10-06 · CVE record · OSV

Products: backstage, @backstage plugin-scaffolder-backend

Fixed upstream