Red Hat Security Advisory

RHSA-2026:51025

OpenShift Container Platform 4.21.28 bug fix and security update

Released 2026-08-11 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.21 registry.redhat.io/openshift4/ose-oauth-proxy-rhel9

TI-2026-36513 CVE-2026-49332 · GHSA-f2m2-cc3f-h4j2

LOW 37

A flaw was found in openshift/oauth-proxy.

CVSS 3.1HIGH 8.5 Network Low privileges No interaction EPSS 0.00531 Published 2026-07-28 Fixed in 1786458704, 1786477436 +9 CWE-436