En resumen
- CVE-2026-106502 es una vulnerabilidad MEDIO (CVSS 5.3) que afecta a backstage (linuxfoundation), backstage/plugin-scaffolder-backend (linuxfoundation), @backstage/plugin-scaffolder-backend.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.29%, mayor que el 21.7% de las vulnerabilidades.
- Solución: actualizar a 1.54.6, 4.1.0 o 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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