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| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2026-10090 | 9.0 critical | 1.0% | no CPE yet | A flaw was found in the Application Subscription controller (multicluster-operators-subscription) of Red Hat Advanced Cluster Management for Kubernetes (ACM). A user with namespace-scoped "edit" privileges in an ACM hub namespace can create a Channel resource pointing to a Helm repository they control and a Subscription resource referencing it. The app-subscription controller fetches and applies the Helm chart contents with its own elevated authority, without verifying whether the subscription creator holds the "open-cluster-management:subscription-admin" role and without restricting applied resources to the subscription namespace. This allows the attacker to include cluster-scoped resources in the Helm chart, such as a ClusterRoleBinding granting the attacker's ServiceAccount the "cluster-admin" ClusterRole. Successful exploitation results in full cluster-admin privilege escalation. This contradicts the ACM documentation which states that non-subscription-admin users should have resources deployed into the subscription namespace only. | 23 Oct |
| CVE-2026-71845 | 7.7 high | 1.0% | redhat, advanced_cluster_management_for_kubernetes, insights-client | A flaw was found in insights-client. The setDefault() function logs the value of every environment variable it processes, including CCX_TOKEN, a bearer credential used in disconnected cluster deployments. When glog verbosity is set to level 2 or higher, the token is written in clear text to the pod log on every startup. An attacker with access to pod logs or centralized logging could obtain the credential, leading to unauthorized access to the CCX API. | 24 Oct |
| CVE-2025-14874 | 7.5 high | 1.0% | nodemailer, redhat, advanced_cluster_management_for_kubernetes, ceph_storage | A flaw was found in Nodemailer. This vulnerability allows a denial of service (DoS) via a crafted email address header that triggers infinite recursion in the address parser. | Tue 27 Oct |
| CVE-2026-71475 | 6.8 medium | 1.0% | redhat, advanced_cluster_management_for_kubernetes, insights-client | A flaw was found in insights-client. A compromised managed cluster, referred to as a 'spoke', can inject unencoded data into the Insights API URL path. This occurs because the ClusterID, which is controlled by the spoke, is used directly in the request path without proper validation or URL encoding. This vulnerability allows a malicious spoke to redirect authenticated requests to unintended API endpoints, potentially leading to information disclosure or unauthorized access. | 24 Oct |
| CVE-2026-66787 | 8.7 high | 0.00% | no CPE yet | A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can exploit this by creating EndpointSlices with attacker-controlled IP addresses, causing other clusters' lighthouse DNS to redirect legitimate service traffic to malicious endpoints. This enables a remote attacker to conduct transparent Man-in-the-Middle (MITM) attacks on cross-cluster service communications, potentially leading to unauthorized information disclosure and data manipulation. | 19 Oct |
| CVE-2025-2241 | 8.2 high | 0.00% | red hat, multicluster engine for kubernetes, red hat advanced cluster management for kubernetes 2 | A flaw was found in Hive, a component of Multicluster Engine (MCE) and Advanced Cluster Management (ACM). This vulnerability causes VCenter credentials to be exposed in the ClusterProvision object after provisioning a VSphere cluster. Users with read access to ClusterProvision objects can extract sensitive credentials even if they do not have direct access to Kubernetes Secrets. This issue can lead to unauthorized VCenter access, cluster management, and privilege escalation. | Sat 31 Oct |
| CVE-2026-4740 | 8.2 high | 0.00% | redhat, advanced_cluster_management_for_kubernetes | A flaw was found in Open Cluster Management (OCM), the technology underlying Red Hat Advanced Cluster Management (ACM). Improper validation of Kubernetes client certificate renewal allows a managed cluster administrator to forge a client certificate that can be approved by the OCM controller. This enables cross-cluster privilege escalation and may allow an attacker to gain control over other managed clusters, including the hub cluster. | Mon 26 Oct |
| CVE-2026-71474 | 7.1 high | 0.00% | redhat, advanced_cluster_management_for_kubernetes, insights-client | A flaw was found in insights-client. When the application receives a non-200 response, it logs the request headers, which can include the cloud.openshift.com pull-secret token. A local user with access to pod logs on the hub could read this long-lived credential. This information disclosure could grant unauthorized access to Red Hat cloud services. | 24 Oct |
| CVE-2026-71846 | 6.5 medium | 0.00% | redhat, advanced_cluster_management_for_kubernetes, insights-client | A flaw was found in insights-client. The component's ServiceAccount is bound to a ClusterRole granting cluster-wide secrets get, list, and watch permissions, while the code only requires access to a single specific Secret. This excessive privilege means that a compromise of the insights-client pod or ServiceAccount token would grant an attacker read access to all Secrets across the hub cluster, including managed-cluster kubeconfigs and other sensitive credentials. | 24 Oct |
| CVE-2025-6017 | 5.5 medium | 0.00% | red hat, red hat advanced cluster management for kubernetes 2.11 for rhel 9, red hat advanced cluster management for kubernetes 2.12 for rhel 9 | A flaw was found in Red Hat Advanced Cluster Management through versions 2.10, before 2.10.7, 2.11, before 2.11.4, and 2.12, before 2.12.4. This vulnerability allows an unprivileged user to view confidential managed cluster credentials through the UI. This information should only be accessible to authorized users and may result in the loss of confidentiality of administrative information, which could be leaked to unauthorized actors. | Fri 30 Oct |
| CVE-2026-66783 | 4.4 medium | 0.00% | no CPE yet | A flaw was found in the `submariner-operator` component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability allows a cluster administrator, or any user with permissions to modify the Submariner Custom Resource (CR), to specify an unvalidated image path. This lack of validation enables an attacker to execute arbitrary code with elevated privileges across the entire cluster, including control-plane nodes, by deploying a malicious image. | 19 Oct |
11 of 11
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EPSS scores: 2026-11-01. NVD cursor: 2026-10-29 00:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.