Em resumo
- CVE-2026-106461 é uma vulnerabilidade MÉDIO (CVSS 4.3) que afeta backstage (linuxfoundation), backstage/plugin-scaffolder-backend (linuxfoundation), @backstage/plugin-scaffolder-backend.
- Chance de exploração nos próximos 30 dias (EPSS): 0.19%, maior que 9.0% das vulnerabilidades.
- Correção: atualize para 1.54.6, 4.1.0 ou posterior.
Description
Impact
An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified.
Patches
Patched in @backstage/plugin-scaffolder-backend version 4.1.0
Workarounds
- Restrict the scaffolder task-list endpoint at the ingress or authenticating proxy to users who are permitted to view all tasks.
- Avoid placing sensitive values in template input parameters until the patched package is deployed.
NVD description
Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by incorrect authorization in scaffolder task listing. An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified. This issue is fixed in version 4.1.0.
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