# @backstage/plugin-kubernetes-backend (npm) vulnerabilities

3 known vulnerabilities (2 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.npmjs.com/package/@backstage/plugin-kubernetes-backend

## Advisories (3)

### [CVE-2026-106563](https://cve.now/CVE-2026-106563): Backstage: Improper entity validation in deprecated Kubernetes services endpoint

- Severity: Medium 5.3
- Published: Oct 7, 2026
- Affected: fixed in 0.21.8.

### [CVE-2026-106561](https://cve.now/CVE-2026-106561): Backstage: Sensitive information disclosure in Kubernetes resource queries

- Severity: Medium 5.0
- Published: Oct 7, 2026
- Affected: fixed in 0.21.9.

### [CVE-2026-106487](https://cve.now/CVE-2026-106487): Backstage: Unsupported catalog cluster authentication mode in kubernetes backend

- Severity: Low 3.5
- Published: Oct 6, 2026
- Affected: fixed in 0.21.10.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/npm/@backstage/plugin-kubernetes-backend
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.
