CVE-2026-6383
CSIRTS triage
- What
- Improper RBAC policy evaluation allows unauthorized access to KubeVirt subresources.
- Who is affected
- KubeVirt deployments across affected versions where RBAC policies do not correctly restrict subresource access.
- Urgency
- Medium severity; authentication bypass could enable privilege escalation in Kubernetes clusters.
- Action
- Update KubeVirt to a patched version that correctly evaluates RBAC policies for subresource access.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (1)
External references
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[](https://www.csirts.com/cve/CVE-2026-6383)