CVE-2026-71577

CVE-2026-71577 affects multicluster-global-hub. During a ManagedClusterMigration, the system grants all managed hubs read access to a shared communication topic, enabling a compromised hub to intercept bootstrap kubeconfigs containing API server tokens intended for other hubs. These tokens have a...

CVE-2026-71577 Multicluster-global-hub: multicluster-global-hub: spec-topic read acl leaks bootstrap kubeconfigs to all managed hubs during migration

A flaw was found in multicluster-global-hub. During a ManagedClusterMigration, the system incorrectly grants all managed hubs read access to a shared communication topic. This allows a compromised managed hub to intercept and collect sensitive bootstrap kubeconfigs, which contain API server token...

CVE-2026-71577

A flaw was found in multicluster-global-hub. During a ManagedClusterMigration, the system incorrectly grants all managed hubs read access to a shared communication topic. This allows a compromised managed hub to intercept and collect sensitive bootstrap kubeconfigs, which contain API server token...

CVE-2026-71576

CVE-2026-71576 affects multicluster-global-hub: the manager component improperly validates the source identity of CloudEvents on Kafka status topics. A remote attacker who compromises a managed hub and obtains its Kafka client certificate can manipulate the self-asserted source identity, enabling...

CVE-2026-71576 Multicluster-global-hub: multicluster-global-hub: manager trusts self-asserted evt.source() for leaf-hub identity in all status handlers

A flaw was found in multicluster-global-hub. The manager component improperly validates the source identity of incoming CloudEvents on Kafka status topics. A remote attacker, after compromising a managed hub and obtaining its Kafka client certificate, can manipulate the self-asserted source...

CVE-2026-71576

A flaw was found in multicluster-global-hub. The manager component improperly validates the source identity of incoming CloudEvents on Kafka status topics. A remote attacker, after compromising a managed hub and obtaining its Kafka client certificate, can manipulate the self-asserted source...

CVE-2026-66801

A flaw was found in multicluster-global-hub. An attacker who compromises a managed hub can leverage its legitimate Kafka client certificate to publish a CloudEvent a specification for describing event data in a common way message to the shared gh-spec topic. This message can spoof its source as...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.7.2 security update

Multicluster Global Hub v1.7.2 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.6.4 security update

Multicluster Global Hub v1.6.4 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.5.6 security update

Multicluster Global Hub v1.5.6 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.4.7 security update

Multicluster Global Hub v1.4.7 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.7.1 security update

Multicluster Global Hub v1.7.1 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.6.2 security update

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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.3.4 security update

Multicluster Global Hub v1.3.4 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.4.5 security update

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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.5.4 security update

Multicluster Global Hub v1.5.4 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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.4.5 security update

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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.6.2 security update

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...

Important: Red Hat Security Advisory: Multicluster Global Hub 1.5.4 security update

Multicluster Global Hub v1.5.4 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...

Important: Red Hat Security Advisory: Red Hat multicluster global hub 1.5.3 security update

Red Hat multicluster global hub v1.5.3 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...