CVE-2026-73267 - A flaw was found in the clusterclaims-controller component of multicluster engine (MCE). A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the `spec.namespace` field. This allows the tenant to specify and delete any ManagedCluster, including the hub's local-cluster or other tenants' clusters, due to a missing ownership check. This vulnerability can lead to a denial of service by enabling unauthorized deletion of Manag - 漏洞详情

漏洞编号：CVE-2026-73267

风险等级：高危

漏洞来源：CVE

CVE 编号：CVE-2026-73267

CNNVD 编号：-

厂商/产品：- / -

影响范围：-

CWE：CWE-602

发布/更新时间：2026-08-21 / 2026-08-28

漏洞描述

A flaw was found in the clusterclaims-controller component of multicluster engine (MCE). A tenant with standard permissions to create and delete ClusterClaim resources can exploit this by manipulating the `spec.namespace` field. This allows the tenant to specify and delete any ManagedCluster, including the hub's local-cluster or other tenants' clusters, due to a missing ownership check. This vulnerability can lead to a denial of service by enabling unauthorized deletion of ManagedClusters.

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