* The body size limit does not apply to subresources like pods/proxy that proxy request content to another server.

- Apiservers based on k8s.io/apiserver with delegated authn based on cluster authentication will automatically update to new authentication information when the authoritative configmap is updated. ([#85004](https://github.com/kubernetes/kubernetes/pull/85004), [@deads2k](https://github.com/deads2k))

    * The body size limit does not apply to subresources like pods/proxy that proxy request content to another server.

- The apiserver, including both the kube-apiserver and apiservers built with the generic apiserver library, will now return 413 RequestEntityTooLarge error if a json patch contains more than 10,000 operations. ([#74000](https://github.com/kubernetes/kubernetes/pull/74000), [@caesarxuchao](https://github.com/caesarxuchao))

    * The body size limit does not apply to subresources like pods/proxy that proxy request content to another server.

through the built-in NodeRestriction admission plugin.

**Affected Versions**:
  - kube-apiserver v1.20.0 - v1.20.5
  - kube-apiserver v1.19.0 - v1.19.9
  - kube-apiserver <= v1.18.17

**Fixed Versions**:
  - kube-apiserver v1.21.0
  - kube-apiserver v1.20.6
  - kube-apiserver v1.19.10
  - kube-apiserver v1.18.18

This vulnerability was reported by Rogerio Bastos & Ari Lima from RedHat

**Affected Versions**:
  - kube-apiserver v1.27.0 - v1.27.2
  - kube-apiserver v1.26.0 - v1.26.5
  - kube-apiserver v1.25.0 - v1.25.10
  - kube-apiserver <= v1.24.14

**Fixed Versions**:
  - kube-apiserver v1.27.3
  - kube-apiserver v1.26.6
  - kube-apiserver v1.25.11
  - kube-apiserver v1.24.15

/docker/k8s-artifacts-prod/southamerica-east1/images/kube-apiserver) | [amd64](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/kube-apiserver-amd64), [arm64](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/kube-apiserver-arm64), [ppc64le](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/kube-apiserver-ppc64le), [s390x](https://console.cloud.google.com/artifa...

        *  Don't break metric storage when duplicate pod metrics encountered causing hpa to fail
* kube-apiserver: Fixed a regression accepting patch requests > 1MB ([#84963](https://github.com/kubernetes/kubernetes/pull/84963), [@liggitt](https://github.com/liggitt))

**Affected Versions**:
  - kube-apiserver v1.25.0 - v1.25.3
  - kube-apiserver v1.24.0 - v1.24.7
  - kube-apiserver v1.23.0 - v1.23.13
  - kube-apiserver v1.22.0 - v1.22.15
  - kube-apiserver <= v1.21.?

**Fixed Versions**:
  - kube-apiserver v1.25.4
  - kube-apiserver v1.24.8
  - kube-apiserver v1.23.14
  - kube-apiserver v1.22.16