Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the FleetWorkspace mutating webhook admission path. An attacker can create unauthorized Kubernetes namespaces and inject arbitrary RBAC policies by submitting crafted admission payloads t...

PT-2026-53896

A Rancher FleetWorkspace admission path allowed side effects to occur in the Rancher webhook handler for versions 0.7.0 up to 0.7.10, 0.8.0 up to 0.8.7, 0.9.0 up to 0.9.6 and 0.10.0 up to 0.10.7. An unauthenticated attacker with network access to the in-cluster rancher-webhook service could submi...