Database/Container, Kubernetes & orchestration
KubeVirt: Improper symlink validation in virt-handler lets a user with edit rights in one namespace escape to the host
CVSS 9.9CVE-2026-7374Container, Kubernetes & orchestrationcurated
Impact
Improper symlink validation in virt-handler lets a user with edit rights in one namespace escape to the host; the most severe KubeVirt issue
Who can reach it
Cluster user with namespace access
What to do
Emergency KubeVirt upgrade; virt-handler DaemonSet rollout on every node
References
Related entries
- KubeVirt: Path traversal lets a user who can configure KubeVirt read arbitrary host filesCVE-2022-1798 · KubeVirtHigh
- KubeVirt: hostDisk feature mounts host files into a VM with insufficient restrictionCVE-2025-64324 · KubeVirtHigh
- KubeVirt: A compromised node's virt-handler service account can be abused cluster-wideCVE-2023-26484 · KubeVirtHigh
- KubeVirt: Symlink path traversal in the virt-exportserver VMExport directory endpointCVE-2026-9804 · KubeVirtHigh
- KubeVirt: safepath OpenAtNoFollow resolves via /proc/self/fd, defeating the symlink protectionCVE-2026-13201 · KubeVirtHigh
- KubeVirt: virt-handler service-account permissions (update VMI, patch nodes) can be abused to force VMI migrationCVE-2025-64436 · KubeVirtMedium
This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.