GO-2026-6296 Kyverno's NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system in github.com/kyverno/kyverno

Kyverno's NamespacedGeneratingPolicy generator.apply namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system in github.com/kyverno/kyverno...

EUVD-2026-66561

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

GHSA-FPJQ-C37H-CQCV Kyverno Controller Denial of Service via forEach Mutation Panic

Summary An unchecked type assertion in the forEach mutation handler allows any user with permission to create a Policy or ClusterPolicy to crash the cluster-wide background controller into a persistent CrashLoopBackOff. The same bug also causes the admission controller to drop connections and blo...