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Red Hat Product Errata RHSA-2026:23345 - Security Advisory
Issued:
2026-06-04
Updated:
2026-06-04

RHSA-2026:23345 - Security Advisory

  • Overview
  • Updated Images

Synopsis

Important: Multicluster Global Hub 1.6.2 security update

Type/Severity

Security Advisory: Important

Topic

Multicluster Global Hub v1.6.2 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/2.15/html/multicluster_global_hub/index

Affected Products

  • Multicluster Global Hub

Fixes

  • ACM-32432 - Global Hub v1.6.3 - 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/

amd64

registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:9a70b0f09751c7b595b2372275a7be806768632722b921ad828f2d30db9fedde
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:7e1aeac1da9e9c9ac413b8f9380a911e89c4c81fe5dd38656bb301ddb0918ccf
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:56e32b74a97b5211573194b1358613d07fd967944c0bde22eb1f9b61ef1ff1b8
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-operator-bundle@sha256:51bf429464a9e7f1b928bb60acb5cabc4491741884ac8e85fdee56092a2b03e8
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:3e619a5807582f6b5d7f50909667b9e0e3391f0166a3c322988d3b534f8cf103
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:1c2e24a5caf18deaf56a4f9e7bae8e013de18b64e3bad8560b959d595e11272e

ppc64le

registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:05f069047e37620fa1ea72f0c0cbea205f27a4a4594c674b59d6dfa2a18f9f26
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:51353652e207a04ede5c7f0f11ddc82150f2ca79a110a5e85d8c6e13ccdfa8f5
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:a1dc9d34a9b9dd90eedec8b4bf5d246066ff8c964142376d190e72eca5eb6d03
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:d8b6bfdd948e9b0b423a240d2538eefa3bfd742635c27ee0db23c7af96657c4a
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:07a4a707ac56ea0fb5b805e58e535cbd7503c71027ccb5a9a412e63ced8db831

s390x

registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:76d186f4c2ffdf0d62399ff9f3c78bee536e9193647d571fcb2123743f163c50
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:564d1f145c46663a04b05f5210388c27e888714911bcafb19bfb8a88821becc6
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:2b11ee4ff5d5a5dce7cd2c03b1cf088e27cf23816b1f5e9dfc11a136052a9542
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:f9aab6b75117767d41e24dee791df45d42758c70c5d5ef6b435564e73b3c1d6f
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:ff7d02b17b98ef8f65368c6b93e76e4ceb683411af5c3037484acb0508f31ea1

arm64

registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:11e5a558fb1a9ecae142c55512fd4ab028b9162be4ae491f491ee030c6206194
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:ba4697a2a94a5bb6e4b5e5edeebe04f24125f910ae158d070cecf73374d959f0
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:f2784cac203f5ecb3d9de7f1312af0aa5ada9b673ab1c3188d839e1e13a3146b
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:262ad6cee9e2176214103ecd866dd502d2d68b24b9f9be08e934f8fa3a285176
registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:556fff489ab3d6794c3cef4c10d09ceda194b02a9bf8a7bf1542e40802adeec6

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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