Advisory severityCritical9.0Vendor: HighRed Hat Linux

Critical [CVE-2026-10090] namespace edit user can deploy cluster-scoped ClusterRoleBinding and become cluster-admin via Application Subscription

This critical-severity Red Hat Linux advisory covers CVE-2026-10090 affecting Red Hat Advanced Cluster Management for Kubernetes 2.13, Red Hat Advanced Cluster Management for Kubernetes 2.15, Red Hat Advanced Cluster Management for Kubernetes 2.17.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-10090 Source published Aug 5, 2026Source updated Aug 5, 2026

VulniPulse record published Aug 5, 2026Record updated Aug 13, 2026

CVE-2026-10090

Affected products & platforms

Red Hat LinuxUnclassified

Open source advisory

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Summary

namespace edit user can deploy cluster-scoped ClusterRoleBinding and become cluster-admin via Application Subscription. Red Hat rates this important (CVSS 9).

Weakness: CWE-267.

Affected product named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.

Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Advanced Cluster Management for Kubernetes 2.17; Red Hat Advanced Cluster Management for Kubernetes 2.11; and 2 more.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 1 month ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-10090NVD CVE.org MITRE

Discussion(0)

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