RHSA-2026:22347 - Security Advisory

Topic

Multicluster Global Hub v1.4.5 general availability release images, which provide security fixes, bug fixes, and updated container images.

Red Hat Product Security has rated this update as having a security impact of Important.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the References section.

Description

Red Hat multicluster global hub is a set of components that enable you to import one or more hub clusters and manage them from a single hub cluster.

Solution

For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:

https://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.13/html/multicluster_global_hub/index

Affected Products

• Multicluster Global Hub

Fixes

• ACM-32409 - Global Hub v1.4.6 - Z-Stream Release

CVEs

• CVE-2026-21728
• CVE-2026-25679
• CVE-2026-27137
• CVE-2026-27889
• CVE-2026-29785
• CVE-2026-32280
• CVE-2026-32281
• CVE-2026-32282
• CVE-2026-32283
• CVE-2026-32285
• CVE-2026-32286
• CVE-2026-33186
• CVE-2026-33215
• CVE-2026-33216
• CVE-2026-33217
• CVE-2026-33218
• CVE-2026-33219
• CVE-2026-33247
• CVE-2026-33413
• CVE-2026-33487
• CVE-2026-33810
• CVE-2026-33813
• CVE-2026-33997
• CVE-2026-34040
• CVE-2026-34986
• CVE-2026-40890
• CVE-2026-41602
• CVE-2026-41603
• CVE-2026-41604
• CVE-2026-41605
• CVE-2026-41606
• CVE-2026-41607
• CVE-2026-41636
• CVE-2026-43869
• CVE-2026-4427

References

• https://access.redhat.com/security/updates/classification/