A security issue was discovered in ingress-nginx where the validating admission controller feature is subject to a denial of service condition. By sending large requests to the validating admission controller, an attacker can cause memory consumption, which may result in the ingress-nginx controller pod being killed or the node running out of memory.

ingress-nginx vulnerable to Allocation of Resources Without Limits or Throttling

Уязвимость контроллера входящего трафика в кластере Kubernetes ingress-nginx, связанная с неограниченным распределением ресурсов, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость golang-k8s-ingress-nginx