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CVE-2026-106563Backstage: Improper entity validation in deprecated Kubernetes services endpoint

backstage backstage; @backstage plugin-kubernetes-backend Publicada: (hace 1 mes)

Descripción

Backstage is an open framework for building developer portals. Prior to 0.21.8, the @backstage/plugin-kubernetes-backend package is affected by improper entity validation in deprecated kubernetes services endpoint. An authenticated user with Kubernetes read permissions could access Kubernetes workload data beyond their intended scope by supplying crafted entity data to the deprecated services endpoint. The exposure is limited to read-only access to Kubernetes object metadata across configured clusters. This issue is fixed in version 0.21.8.

Debilidad (CWE): CWE-20CWE-862

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
backstage backstage < 1.54.1
@backstage plugin-kubernetes-backend < 0.21.8
linuxfoundation backstage < 1.54.1
linuxfoundation backstage/plugin-kubernetes-backend < 0.21.8

Referencias y parches

Coincidencias CPE (NVD) (2)
  • cpe:2.3:a:linuxfoundation:backstage\/plugin-kubernetes-backend:*:*:*:*:*:node.js:*:* < 0.21.8
  • cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* < 1.54.1