CVE-2024-43403: Kanisterio Kanister

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Kanister is a data protection workflow management tool. The kanister has a deployment called default-kanister-operator, which is bound with a ClusterRole called edit via ClusterRoleBinding. The "edit" ClusterRole is one of Kubernetes default-created ClusterRole, and it has the create/patch/udpate verbs of daemonset resources, create verb of serviceaccount/token resources, and impersonate verb of serviceaccounts resources. A malicious user can leverage access the worker node which has this component to make a cluster-level privilege escalation.

Affected products

• Kanisterio Kanister: up to and including 0.110.0; any version

Published 2024-08-20. Last modified 2026-06-17.