CVE-2026-9165
High
Description
A flaw was found in Red Hat Advanced Cluster Security for Kubernetes (RHACS). Central does not limit the depth of GraphQL queries served on the authenticated GraphQL API. An authenticated user with a valid API token can send deeply nested queries that cause excessive resource consumption in Central, resulting in a denial of service for the management plane.
SeverityHigh
CVSS7.7
Exploit probability—
Product
Advanced Cluster Security 4.9
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| advanced_cluster_security 4.9 | No range specified | — |
| advanced_cluster_security 4.10 | No range specified | — |
| advanced_cluster_security 4.11 | No range specified | — |
| Red Hat Red Hat Advanced Cluster Security 4 | No range specified | — |
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