A security issue was discovered in kube-apiserver that allows an aggregated API server to redirect client traffic to any URL. This could lead to the client performing unexpected actions as well as forwarding the client's API server credentials to third parties.
https://www.ibm.com/support/pages/node/6997115
https://www.ibm.com/support/pages/node/6823785
https://security.netapp.com/advisory/ntap-20231221-0005/
https://groups.google.com/g/kubernetes-security-announce/c/_aLzYMpPRak