CVE-2026-13208

A flaw was found in KubeVirt's virt-handler domain notify server. The gRPC handlers for HandleDomainEvent and HandleK8SEvent derive the VMI identity (namespace/name) solely from the request body without validating it against the connection's origin. Each virt-launcher pod connects through a per-VMI pipe socket, but no identity tag is propagated from the pipe path to the server handlers. This allows a compromised virt-launcher process to send forged domain lifecycle events for any other VMI scheduled on the same node, causing virt-handler to erroneously update that VMI's state and disrupt its lifecycle management.

• CWE-287

• https://access.redhat.com/security/cve/CVE-2026-13208Mitigation, Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2492220Issue Tracking, Vendor Advisory

Published

Jun 24, 2026

Last Modified

Jul 6, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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