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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-106502

Backstage: Sensitive information may be exposed in Scaffolder task failure events

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

backstage backstage

  • < 1.54.6affected

@backstage plugin-scaffolder-backend

  • < 4.1.0affected

References