6.5
Medium
CVE-2026-13208 A flaw was found in KubeVirt's virt-handler domain notify server
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat OpenShift Virtualization 4 | Versions not published |
References
- access.redhat.com access.redhat.com
- RHBZ#2492220 bugzilla.redhat.com
Timeline
- Published
- Last modified
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