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Red Hat Advanced Cluster Security for Kubernetes

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medium advisory

CVE-2026-9165 - Red Hat Advanced Cluster Security for Kubernetes Central Component Denial of Service

An authenticated denial of service vulnerability (CVE-2026-9165) exists in the Red Hat Advanced Cluster Security for Kubernetes (RHACS) Central component, allowing attackers with a valid API token to send deeply nested GraphQL queries that cause excessive resource consumption and render the management plane unavailable.

Red Hat Advanced Cluster Security for Kubernetes +1 kubernetes red-hat dos vulnerability graphql
1t 1c