HyperShift is used in Red Hat/OpenShift Kubernetes control planes. RCE in the privileged control plane can compromise cluster management and multi-tenant environments across enterprises.
CVE-2026-101919
Authenticated secret creation can lead to control-plane RCE via malicious kubeconfig plugins.
Is CVE-2026-101919 being exploited?
Not confirmed. CVE-2026-101919 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-101919?
CVE-2026-101919 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-101919?
Not known from our data. No patch reference has been recorded for CVE-2026-101919, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-101919 affect?
CVE-2026-101919 affects Red Hat HyperShift operator, OpenShift HyperShift control planes, Kubernetes clusters using HyperShift. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-101919?
Apply vendor advisory/patch when available; restrict secret creation and audit kubeconfigs immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user with secret-create permissions can inject kubeconfig plugins and achieve arbitrary code execution in the privileged control plane.
Immediate action required