CVE-2026-106502 — Backstage: Sensitive information may be exposed in Scaffolder task failure events
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 …
Published: 2026-10-06 · CVSS: 5.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7