CVE-2026-42541

CVE-2026-42541 (Kubewarden RBAC Reconnaissance) : Affected Kubewarden versions allow an attacker with privileged AdmissionPolicy/AdmissionPolicyGroup create permissions to abuse the can_i host callback, which forwards a SubjectAccessReview (SAR) to the policy-server with elevated privileges. This...

Kubewarden vulnerable to RBAC Reconnaissance via unchecked can_i host capability call

Impact Kubewarden is a policy engine for Kubernetes. Kubewarden cluster operators can grant permissions to users to deploy namespaced AdmissionPolicies and AdmissionPolicyGroups in their Namespaces. One of Kubewarden promises is that configured users can deploy namespaced policies in a safe manne...