Em resumo
- CVE-2026-106502 é uma vulnerabilidade MÉDIO (CVSS 5.3) que afeta backstage (linuxfoundation), backstage/plugin-scaffolder-backend (linuxfoundation), @backstage/plugin-scaffolder-backend.
- Chance de exploração nos próximos 30 dias (EPSS): 0.29%, maior que 21.7% das vulnerabilidades.
- Correção: atualize para 1.54.6, 4.1.0 ou posterior.
Description
Impact
Under specific template and failure conditions, an authenticated user may be able to retrieve sensitive values from Scaffolder task events. This can expose backend-managed credentials used during task execution.
Patches
Patched in @backstage/plugin-scaffolder-backend version 4.1.0
Workarounds
- Restrict Scaffolder template execution and task-event access to trusted users until the patched version is deployed.
NVD 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.
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