CVE record · CVE-2026-66792

Multicloud-operators-subscription: multicloud-operators-subscription: isclusteradmin() trusts user-settable annotations on managed clusters

CVSS 9.9 CriticalCriticalEPSS 0.0069 · 52nd percentile

Critical, because:

CVSS score 9.9: 9.0 or more.

Published by the CVE Program (CNA: redhat) at 17 Aug 2026, 18:12 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Multicluster Global Hub 1.4.9 Package name: multicluster-globalhub/multicluster-globalhub-agent-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1788355439 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.4.9 Package name: multicluster-globalhub/multicluster-globalhub-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1788355599 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.4.9 Package name: multicluster-globalhub/multicluster-globalhub-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1788355417 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.5.8 Package name: multicluster-globalhub/multicluster-globalhub-agent-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1789515408 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.5.8 Package name: multicluster-globalhub/multicluster-globalhub-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1789515288 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.5.8 Package name: multicluster-globalhub/multicluster-globalhub-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1789478830 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.6.6 Package name: multicluster-globalhub/multicluster-globalhub-agent-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1790085494 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.6.6 Package name: multicluster-globalhub/multicluster-globalhub-manager-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1790086176 to before * rpm Other versions: affected
Red Hat	Multicluster Global Hub 1.6.6 Package name: multicluster-globalhub/multicluster-globalhub-rhel9-operator https://catalog.redhat.com/software/containers/	unaffected 1790085268 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.11 Package name: rhacm2/multicluster-operators-application-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787262214 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.11 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787263584 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.13 Package name: rhacm2/multicluster-operators-application-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787259284 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.13 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787263693 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.14 Package name: rhacm2/multicluster-operators-application-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1786976940 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.14 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787170830 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.15 Package name: rhacm2/multicluster-operators-application-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787238598 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.15 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787240030 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.16 Package name: rhacm2/multicluster-operators-application-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787242135 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.16 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787242321 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.17 Package name: rhacm2/multicluster-operators-application-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787242131 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2.17 Package name: rhacm2/multicluster-operators-subscription-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1787242108 to before * rpm Other versions: affected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/acm-governance-policy-framework-addon-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/cert-policy-controller-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/config-policy-controller-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/governance-policy-propagator-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Advanced Cluster Management for Kubernetes 2 Package name: rhacm2/search-collector-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/cnf-tests-rhel8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/lifecycle-agent-operator-bundle https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/lifecycle-agent-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/topology-aware-lifecycle-manager-aztp-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/topology-aware-lifecycle-manager-recovery-rhel8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/topology-aware-lifecycle-manager-recovery-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/topology-aware-lifecycle-manager-rhel8-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/topology-aware-lifecycle-manager-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift Container Platform 4 Package name: openshift4/ztp-site-generate-rhel8 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: affected
Red Hat	Red Hat Openshift Data Foundation 4 Package name: odf4/odf-cli-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Openshift Data Foundation 4 Package name: odf4/odf-multicluster-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Openshift Data Foundation 4 Package name: odf4/odr-rhel9-operator https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2026-66792
CNA: redhat
Weakness (CWE): CWE-863
Tags: Red Hat Multicluster Global Hub 1.4.9
Red Hat Multicluster Global Hub 1.5.8
Red Hat Multicluster Global Hub 1.6.6
Red Hat Advanced Cluster Management for Kubernetes 2.11
Red Hat Advanced Cluster Management for Kubernetes 2.13
Red Hat Advanced Cluster Management for Kubernetes 2.14
Red Hat Advanced Cluster Management for Kubernetes 2.15
Red Hat Advanced Cluster Management for Kubernetes 2.16
Broken access control
Published: 17 Aug 2026
Updated: 29 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.9	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0069, the 52nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 17 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:60386 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60387 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60388 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60389 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60390 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:60391 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:67516 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:71597 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:73419 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-66792 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2507537 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.