OpenShift Container Platform 4.21.27 bug fix and security update — RHSA-2026:48670

Summary

RHSA-2026:48670 is a security advisory from Red Hat. OpenShift Container Platform 4.21.27 bug fix and security update Vendor: Red Hat. Reported severity or threat: critical.

Timeline

Published by source

2026-08-04

Risk context

• Reported severity or threat level: critical.
• Review exposure for the affected product or family: Red Hat OpenShift Container Platform.

Product

Red Hat OpenShift Container Platform

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source

Evidence and provenance

Canonical advisory ID

RHSA-2026:48670

Source

Red Hat

Vendor

Red Hat

Published by source

2026-08-04

Last source activity

2026-08-04

Additional identifiers

48670

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.