OpenShift Container Platform 4.18.38 security and extras update — RHSA-2026:8449

Summary

RHSA-2026:8449 is a security advisory from Red Hat. OpenShift Container Platform 4.18.38 security and extras update Vendor: Red Hat. Reported severity or threat: high.

Timeline

Published by source

2026-04-22

Risk context

• Reported severity or threat level: high.
• 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-2026:8449

Source

Red Hat

Vendor

Red Hat

Published by source

2026-04-22

Last source activity

2026-04-22

Additional identifiers

8449

Curated by

hlukh.ch

Related advisories and connections

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