A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
Update cluster RBAC to not allow exec into virt-launcher pods.
References
History
Tue, 26 May 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to the host's container runtime (CRI-O) socket, an attacker can hijack virt-handler's privileged connection. This enables the attacker to access any Unix socket on the host, potentially leading to full control of the node and the entire cluster. | |
| Title | Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability | |
| First Time appeared |
Redhat
Redhat container Native Virtualization |
|
| Weaknesses | CWE-59 | |
| CPEs | cpe:/a:redhat:container_native_virtualization:4 | |
| Vendors & Products |
Redhat
Redhat container Native Virtualization |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-05-26T13:37:41.137Z
Reserved: 2026-04-29T06:46:44.106Z
Link: CVE-2026-7374
No data.
Status : Received
Published: 2026-05-26T14:16:40.717
Modified: 2026-05-26T14:16:40.717
Link: CVE-2026-7374
No data.
OpenCVE Enrichment
No data.
Weaknesses