RHSA-2026:89651: Critical severity Red Hat Red Hat OpenShift Container Platform vulnerability
Published Oct 27, 2026
·Updated
Critical: OpenShift Container Platform 4.19.53 bug fix and security update
Affected Software
4 affected components
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for Power
Red Hat Red Hat OpenShift Container Platform for ARM 64
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platformto a version that resolves this vulnerability.Fixed in 4.19.53
Event History
Oct 27, 2026
Advisory Published
via Red Hat·10:56 AM
Data Sourced
via Red Hat·10:56 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which OpenShift deployment architectures are covered by this advisory?
The advisory covers Red Hat OpenShift Container Platform, including Power, ARM 64, and IBM Z and LinuxONE variants.
2
What release is identified in the advisory?
The advisory identifies OpenShift Container Platform 4.19.53 as the bug fix and security update release.