CVE-2025-55205 Capsule tenant owners with "patch namespace" permission can hijack system namespaces label

Capsule is a multi-tenancy and policy-based framework for Kubernetes. A namespace label injection vulnerability in Capsule v0.10.3 and earlier allows authenticated tenant users to inject arbitrary labels into system namespaces kube-system, default, capsule-system, bypassing multi-tenant isolation...

PT-2024-28629 · Capsule · Capsule

Name of the Vulnerable Software and Affected Versions: Capsule versions 0.7.0 and earlier Description: The issue allows a tenant-owner to patch any arbitrary namespace that has not been taken over by a tenant, thereby gaining control of that namespace. This is possible because namespaces without...

CVE-2023-1260

An authentication bypass vulnerability was discovered in kube-apiserver. This issue could allow a remote, authenticated attacker who has been given permissions "update, patch" the "pods/ephemeralcontainers" subresource beyond what the default is. They would then need to create a new pod or patch...

kube-apiserver: PrivEsc

An authentication bypass vulnerability was discovered in kube-apiserver. This issue could allow a remote, authenticated attacker who has been given permissions "update, patch" the "pods/ephemeralcontainers" subresource beyond what the default is. They would then need to create a new pod or patch...