CVE-2025-64432

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

CVE-2025-64432 KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

KubeVirt is a virtual machine management add-on for Kubernetes. Versions 1.5.3 and below, and 1.6.0 contained a flawed implementation of the Kubernetes aggregation layer's authentication flow which could enable bypass of RBAC controls. It was discovered that the virt-api component fails to...

CVE-2025-64432

CVE-2025-64432 affects KubeVirt, specifically the virt-api component, where the mTLS authentication flow fails to validate the CN field in client certificates against the extension-apiserver-authentication config, enabling potential RBAC bypass by communicating directly with the aggregated API se...

GHSA-38JW-G2QX-4286 KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

Summary Short summary of the problem. Make the impact and severity as clear as possible. A flawed implementation of the Kubernetes aggregation layer's authentication flow could enable bypassing RBAC controls. Details Give all details on the vulnerability. Pointing to the incriminated source code ...

KubeVirt Affected by an Authentication Bypass in Kubernetes Aggregation Layer

Summary Short summary of the problem. Make the impact and severity as clear as possible. A flawed implementation of the Kubernetes aggregation layer's authentication flow could enable bypassing RBAC controls. Details Give all details on the vulnerability. Pointing to the incriminated source code ...