RHSA-2026:48670: OpenShift Container Platform 4.21.27 bug fix and security update
OpenShift Container Platform 4.21.27 bug fix and security update
Other sources
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.This advisory contains the container images for Red Hat OpenShift Container Platform 4.21.27. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHBA-2026:48668 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:https://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.21/html/releasenotes/
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platform 4.21to a version that resolves this vulnerability.Fixed in 4.21.27Patch RHBA-2026:48668 - Compensating control
Use the OpenShift CLI (oc) or the web console to check for available updates, and ensure the cluster is upgraded and fully applies the asynchronous errata update as documented for OpenShift Container Platform 4.21.