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    CVE-2025-64436

    KubeVirt is a virtual machine management add-on for Kubernetes. In 1.5.0 and earlier, the permissions granted to the virt-handler service account, such as the ability to update VMI and patch nodes, could be abused to force a VMI migration to an attacker-controlled node. This vulnerability could otherwise allow an attacker to mark all nodes as unschedulable, potentially forcing the migration or creation of privileged pods onto a compromised node.

    Published:Nov 7, 2025
    Last Modified:Nov 25, 2025
    EPS:Nov 7, 2025
    EPSS Score:0.00055
    CVSS Score:5.3

    Affected Products

    Vendor
    Kubevirt
    Product
    Kubevirt

    Exploits

    https://github.com/kubevirt/kubevirt/security/advisories/GHSA-7xgm-5prm-v5gc

    Related CVEs

    CVE-2026-13622 (CVSS 8.8) — A symlink following vulnerability was found in KubeVirt's virt-handler migration proxy. During live migration,…
    CVE-2026-13218 (CVSS 4.2) — A flaw was found in KubeVirt's virt-handler network cache handling. The WriteToCachedFile function writes data…
    CVE-2026-13322 (CVSS 3.8) — A flaw was found in KubeVirt's downward metrics virtio-serial server. The server reads guest requests using te…
    CVE-2026-13201 (CVSS 7.3) — A flaw was found in KubeVirt's safepath package used by virt-handler. The OpenAtNoFollow function uses O_PATH|…
    CVE-2025-64324 (CVSS 8.5) — KubeVirt is a virtual machine management add-on for Kubernetes. The `hostDisk` feature in KubeVirt allows moun…
    CVE-2025-64433 (CVSS 6.5) — KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.5.3 and 1.6.1, a vulnerability was …
    CVE-2025-64437 (CVSS 5) — KubeVirt is a virtual machine management add-on for Kubernetes. In versions before 1.5.3 and 1.6.1, the virt-h…
    CVE-2025-64435 (CVSS 5.3) — KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.7.0-beta.0, a logic flaw in the vir…
    CVE-2025-64434 (CVSS 4.7) — KubeVirt is a virtual machine management add-on for Kubernetes. Prior to 1.5.3 and 1.6.1, due to the peer veri…
    CVE-2025-64432 (CVSS 4.7) — KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High