@backstage plugin-kubernetes-backend

• CVE-2026-106563 Medium 5.3 Backstage: Improper entity validation in deprecated Kubernetes services endpoint 0.2%
• CVE-2026-106561 Medium 5.0 Backstage: Sensitive information disclosure in Kubernetes resource queries 0.2%
• CVE-2026-106487 Low 3.5 Backstage: Unsupported catalog cluster authentication mode in kubernetes backend 0.3%