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Projectcapsule vulnerabilities

Known CVEs affecting Projectcapsule products, prioritized by severity, with SEC.co remediation and detection guidance.

1 published vulnerability

• CVE-2026-30963LOW 3.9

  Capsule is a Kubernetes framework that uses webhooks to prevent tenant administrators from hijacking namespaces—essentially taking control of cluster resources they shouldn't own. The framework checks most update requests, but it misses two specific APIs (namespace/status and namespace/finalize subresources) that can also change namespace ownership markers. Before version 0.13.0, a tenant admin with permission to use these subresources could bypass the webhook protection and seize a namespace. Version 0.13.0 patches this gap by ensuring the webhook intercepts both subresource types.