Red Hat Security Advisory

RHSA-2026:3402

OpenShift Container Platform 4.21.4 bug fix and security update

Released 2026-03-03 · Red Hat rating Important · View on Red Hat →

Fixed in

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

Fixes 1 record

TI-2026-18315 CVE-2026-22797 · GHSA-4428-9rh9-r27g

Authentication bypass by spoofing in OpenStack keystonemiddleware

MEDIUM 44

An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1.

CVSS 3.1CRITICAL 9.9 Network Low privileges No interaction EPSS 0.00652 Published 2026-01-19 Partial fix · 10.7.2, 10.9.1 +1 CWE-290