RHSA-2026:27063: OpenShift Container Platform 4.20.26 bug fix and security update

Published Jun 23, 2026
·
Updated

OpenShift Container Platform 4.20.26 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 4.20.26. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHBA-2026:27059 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/4.20/html/releasenotes/

Red Hat

Affected Software

2 affected components
Red Hat OpenShift Container Platform=4.20.26
Red Hat Red Hat OpenShift Container Platform

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Red Hat OpenShift Container Platform to a version that resolves this vulnerability.

    Fixed in 4.20.26Patch RHBA-2026:27059
  2. Upgrade

    Upgrade openshift-release-dev/ocp-release (x86_64) to a version that resolves this vulnerability.

    Patch sha256:5a2bec1f74236deb9519ab5232146c57d2afdb8f8db6773abbb50027150eb8ad
  3. Upgrade

    Upgrade openshift-release-dev/ocp-release (s390x) to a version that resolves this vulnerability.

    Patch sha256:168bf6fa86ad2dae55203e833352d47a1284c4db4f42a87bfe8555da97a4f5b3
  4. Upgrade

    Upgrade openshift-release-dev/ocp-release (ppc64le) to a version that resolves this vulnerability.

    Patch sha256:df8f0087646c952daae01c4f5ab625bdb95b317cfa790f6841309e8d131c6f89
  5. Upgrade

    Upgrade openshift-release-dev/ocp-release (aarch64) to a version that resolves this vulnerability.

    Patch sha256:2e98640a8f567bb8aeab95719d0fea4048658e7edb093377d9ca08262d4e53f0
  6. Operational

    Download the 'oc' CLI and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures.

  7. Operational

    Check for available updates using the OpenShift CLI ('oc') or the web console and upgrade your cluster to OpenShift Container Platform 4.20.26 following the documented upgrade procedure.

Event History

Jun 23, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·08:26 AM
Data Sourced
via Red Hat·08:26 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:27063?

The severity of RHSA-2026:27063 is rated as high, with a score of 7.

2

How do I fix RHSA-2026:27063?

To fix RHSA-2026:27063, update your Red Hat OpenShift Container Platform to version 4.20.26 or later.

3

What vulnerabilities are addressed in RHSA-2026:27063?

RHSA-2026:27063 addresses several bugs and security vulnerabilities identified in the OpenShift Container Platform.

4

What are the impacts of ignoring RHSA-2026:27063?

Ignoring RHSA-2026:27063 may expose your OpenShift Container Platform to security threats and operational issues.

5

When was RHSA-2026:27063 published?

RHSA-2026:27063 was published on June 23, 2026.

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