RHSA-2026:34755HighCVSS 6.5

Red Hat Security Advisory: OpenShift Container Platform 4.19.37 packages and security update

Published
July 9, 2026
Last Modified
July 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-35469 →

📋 Description

CVE-2026-35469 — Kubelet: CRI-O: kube-apiserver: Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code

🎯 Affected products22

  • Red Hat OpenShift Container Platform 4.19
  • openshift-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.src as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-hyperkube-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.aarch64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-hyperkube-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.ppc64le as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-hyperkube-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.s390x as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-hyperkube-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.x86_64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-apiserver-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.aarch64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-apiserver-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.ppc64le as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-apiserver-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.s390x as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-apiserver-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.x86_64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-controller-manager-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.aarch64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-controller-manager-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.ppc64le as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-controller-manager-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.s390x as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-controller-manager-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.x86_64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-scheduler-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.aarch64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-scheduler-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.ppc64le as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-scheduler-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.s390x as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kube-scheduler-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.x86_64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kubelet-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.aarch64 as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kubelet-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.ppc64le as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kubelet-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.s390x as a component of Red Hat OpenShift Container Platform 4.19
  • openshift-kubelet-0:4.19.0-202606301915.p2.g63adf01.assembly.stream.el9.x86_64 as a component of Red Hat OpenShift Container Platform 4.19

✅ Remediation

For OpenShift Container Platform 4.19 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/ Workaround: To mitigate this issue, review and restrict the assignment of Kubernetes cluster roles `pods/portforward (create)`, `pods/exec (create)`, `pods/attach (create)`, and `nodes/proxy (get/create)` to untrusted users or service accounts. Ensure that only authorized and necessary entities possess these permissions. Modifying RBAC policies can impact the functionality of applications and services that rely on these permissions; careful testing is recommended.

🔗 References (4)