4.21.0-0.ci-2026-04-20-201024

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oc adm release extract --tools registry.ci.openshift.org/ocp/release:4.21.0-0.ci-2026-04-20-201024

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Tests:

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Changes from 4.21.0-0.ci-2026-04-20-052949

Created: 2026-04-20 20:14:11 +0000 UTC

Image Digest: sha256:0f8b6a5b1078dd17ef5661248ce88564ae7572bda20521b201521c486f489770

Kubectl 1.34.1
Kubernetes 1.34.6
Kubernetes Tests 1.34.1
Red Hat Enterprise Linux CoreOS 10.2.20260408-0

The CoreOS links above are for the base CoreOS layer used to build the OpenShift node image and do not contain OpenShift components. This is normally only useful to devs working closely with the CoreOS team. For info about the node image, see the Node Image Info section.

cluster-machine-approver git d864813c sha256:05ed86043fa2e677748ab0d1c46ba5aae08a2ff602b7f0671ba1cabe13113d1a
hypershift git b722bf60 sha256:8ed7145b9bacf86970567c3af220a420f29ad303c915c8339819326daf7e2469
rhel-coreos git 10f1a2e7 sha256:fe4346440936fcca67ba7a0e493a07d899dc29382c6e1b5cc5fdc69d7611b544
rhel-coreos-10 git 10f1a2e7 sha256:9061027b05c6caacec2c3ca98e516fd286abd05d8f0342913168dc161c7cd9c7
rhel-coreos-10-extensions git 10f1a2e7 sha256:a119f2e90acd739ca3df0511baff58fa6d2565ad58004f83111a50096eb84f55
rhel-coreos-extensions git 10f1a2e7 sha256:2bd9499a9b5b09445d92847e3b7a0f72daf067f7ab7aa719e8862f296fc12425

OCPBUGS-81589: bump react-router-dom-v5-compat to ^6.30.3 to address CVE-2026-22029 (#3581) #3581
Full changelog

OCPBUGS-83756: fix(config/v1): define constants for authentication types as typed constants #2815
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OCPBUGS-83304: [release-4.21] openshift4/ose-monitoring-plugin-rhel9: Axios: Remote Code Execution via Prototype Pollution escalation #890
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OCPBUGS-81634, OCPBUGS-83814: Branch Sync release-4.22 to release-4.21 [04-16-2026] #3145
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OCPBUGS-80852: Fix CVE-2026-33186 by bumping google.golang.org/grpc to 1.79.3 #127
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