RHSA-2026:80167: High severity Red Hat Red Hat OpenShift Container Platform vulnerability
Published Oct 15, 2026
·Updated
Important: Red Hat build of MicroShift 4.18.57 security update
Affected Software
4 affected components
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
Red Hat Red Hat OpenShift Container Platform for Power
Red Hat Red Hat OpenShift Container Platform for ARM 64
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Red Hat build of MicroShiftto a version that resolves this vulnerability.Fixed in 4.18.57
Event History
Oct 15, 2026
Advisory Published
via Red Hat·12:10 AM
Data Sourced
via Red Hat·12:10 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which platform variants are listed for this advisory?
The advisory lists Red Hat OpenShift Container Platform and its IBM Z and LinuxONE, Power, and ARM 64 variants.
2
How should this update be prioritized?
It is classified as Important with high severity (7) and a listed risk score of 33.