CVE-2026-22872
Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-20
Validación incorrecta de entrada
Fecha de publicación:
01/06/2026
Última modificación:
01/06/2026
Descripción
*** Pendiente de traducción *** Capsule is a multi-tenancy and policy-based framework for Kubernetes. The Capsule Controller runs with cluster-admin privileges. Although the TenantResource RawItems processing logic forcibly sets the namespace, this is ineffective for cluster-scoped resources. Prior to version 0.13.0, tenant administrators can leverage the Controller's elevated privileges to create cluster-scoped resources (such as ClusterRole and ValidatingWebhookConfiguration) that they cannot create directly, achieving cross-tenant privilege escalation and cluster-level attacks. The attack vector has a few limiting factors. This attack requires Tenant Owner privileges and requires Capsule Controller running with cluster-admin privileges (default configuration). Additionally, some clusters may have additional admission controllers blocking malicious resources. Version 0.13.0 patches this issue.
Impacto
Puntuación base 4.0
6.90
Gravedad 4.0
MEDIA