backstage plugin-kubernetes-backend vulnerabilities

Latest backstage plugin-kubernetes-backend CVEs

Newest publication first

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

   Published 2026-10-07

   Medium·CVSS 6.5 EPSS 0.22%

   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 acce...

2. CVE-2026-106561 Backstage: Sensitive information disclosure in Kubernetes resource queries

   Published 2026-10-07

   Medium·CVSS 5.0 EPSS 0.20%

   Backstage is an open framework for building developer portals. Prior to 0.21.9, the @backstage/plugin-kubernetes-backend package is affected by sensitive information disclosure in kubernetes resource queries. An authenticated user holding the standard Kubernetes resource read per...

3. CVE-2026-106487 Backstage: Unsupported catalog cluster authentication mode in kubernetes backend

   Published 2026-10-06

   Medium·CVSS 5.0 EPSS 0.26%

   Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalog cluster discovery may be affected when...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.