CVE-2026-72508
CVE-2026-72508: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityCritical9.9
Critical [CVE-2026-72508] hub and spoke ServiceAccounts bound to wildcard RBAC (*/*/*)
CVE-2026-72508Source published Source updated
A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management (RHACM). This vulnerability allows a namespace-admin tenant to perform a confused-deputy attack by creating Subscription Custom Resources (CRs) that leverage a highly privileged ServiceAccount (SA). This enables the tenant to deploy arbitrary cluster-scoped resources, leading to privilege escalation and potential arbitrary code execution across the cluster. The application-manager addon's ServiceAccount is granted broad wildcard permissions by default, enabling a malicious tenant to deploy arbitrary cluster-scoped resources. This significantly increases the blast radius beyond typical namespace boundaries. Red Hat severity: Important — CVSS 9.9…
- Affected products in this advisory
- 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
2 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- rhacm2/multicluster-operators-subscription-rhel9:1787263584
- rhacm2/multicluster-operators-subscription-rhel9:1787263693
- rhacm2/multicluster-operators-subscription-rhel9:1787170830
- rhacm2/multicluster-operators-subscription-rhel9:1787240030
8 more entries in the full advisory.
- Mitigation guidance
- To mitigate this issue, Red Hat Advanced Cluster Management for Kubernetes administrators should configure the application-manager addon to use the least-privilege RBAC variant. This involves applying the addon/manifests/permission/role.yaml configuration, which restricts the permissions granted to the application-manager ServiceAccount. Consult Red Hat documentation for specific instructions on how to apply custom RBAC configurations for RHACM addons. Applying this change may require a restart or reload of the affected components to take effect.
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