Red Hat Security Advisory

RHSA-2026:89229

OpenShift Container Platform 4.21.40 packages and security update

Released 2026-10-27 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.21 cri-tools-1.34.0-8.el9, openshift-4.21.0-202610221616.p2.g601ff80.assembly.stream.el10, openshift-4.21.0-202610221616.p2.g601ff80.assembly.stream.el8 +30

TI-2026-78632 CVE-2026-111943

LOW 32

On most platforms, Go uses the given system root certificates.

CVSS 3.1MEDIUM 6.8 Network No auth User interaction EPSS 0.00396 Published 2026-10-21 Partial fix · 1.26.10, 1.27.3 CWE-299