Stackrox: stackrox: unbounded graphql query depth allows authenticated denial of service
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-400.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Advanced Cluster Security 4.9 | — | 1783357116 | Patch available | CNA |
| Red Hat | Red Hat Advanced Cluster Security for Kubernetes 4.10 | — | 1783357140 | Patch available | CNA |
| Red Hat | Red Hat Advanced Cluster Security for Kubernetes 4.11 | — | 1783352589 | Patch available | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
- Red Hat Advanced Cluster Security 4.9 VendorRed Hat Affected — Fixed in 1783357116 Patch available CNA
- Red Hat Advanced Cluster Security for Kubernetes 4.10 VendorRed Hat Affected — Fixed in 1783357140 Patch available CNA
- Red Hat Advanced Cluster Security for Kubernetes 4.11 VendorRed Hat Affected — Fixed in 1783352589 Patch available CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
Remediation
Red Hat 3 advisories
- RHSA-2026:36625 Released 2026-07-08 · Red Hat rating ImportantRHACS 4.10.5 security and bug fix update
- Red Hat Advanced Cluster Security for Kubernetes for IBM Power, little endian 4.10 registry.redhat.io/advanced-cluster-security/rhacs-main-rhel8, registry.redhat.io/advanced-cluster-security/rhacs-rhel8-operator, registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel8 +3
- RHSA-2026:36319 Released 2026-07-07 · Red Hat rating ImportantRHACS 4.9.9 security and bug fix update
- Red Hat Advanced Cluster Security 4.9 registry.redhat.io/advanced-cluster-security/rhacs-main-rhel8, registry.redhat.io/advanced-cluster-security/rhacs-rhel8-operator, registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel8 +3
- RHSA-2026:36207 Released 2026-07-07 · Red Hat rating ImportantRHACS 4.11.1 security and bug fix update
- Red Hat Advanced Cluster Security for Kubernetes 4.11 registry.redhat.io/advanced-cluster-security/rhacs-main-rhel9, registry.redhat.io/advanced-cluster-security/rhacs-operator-bundle, registry.redhat.io/advanced-cluster-security/rhacs-rhel9-operator +4
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Advanced Cluster Security 4 | Affected | No fix yet |
| Red Hat Advanced Cluster Security 4.9 | Fixed | RHSA-2026:36319 |
| Red Hat Advanced Cluster Security for Kubernetes 4.10 | Fixed | RHSA-2026:36625 |
| Red Hat Advanced Cluster Security for Kubernetes 4.11 | Fixed | RHSA-2026:36207 |
Not affected: 3 products
- Red Hat Advanced Cluster Security 4.9
- Red Hat Advanced Cluster Security for Kubernetes 4.10
- Red Hat Advanced Cluster Security for Kubernetes 4.11
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9165
- 2026-10-03 Alias added: GHSA-fw53-q2vg-jr6g
References
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Sources
- CVE-2026-9165 · CVE Program
- CVE-2026-9165 · NVD
- FIRST EPSS
- GHSA-fw53-q2vg-jr6g · GitHub Advisory Database · CC BY 4.0
- CVE-2026-9165 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences