CVE-2026-27211

EIP tracks 1 public exploit for CVE-2026-27211. PoCs published by glitchhawks.

AI-analyzed exploit summary The repository claims to exploit CVE-2026-27211, a critical vulnerability in Cloud Hypervisor allowing arbitrary host file exfiltration via crafted QCOW2 headers. However, it lacks actual exploit code and instead redirects users to an external download link (tinyurl.com), which is a common tactic for malicious or monetized exploits.

Cloud Hypervisor is a Virtual Machine Monitor for Cloud workloads. Versions 34.0 through 50.0 arevulnerable to arbitrary host file exfiltration (constrained by process privileges) when using virtio-block devices backed by raw images. A malicious guest can overwrite its disk header with a crafted QCOW2 structure pointing to a sensitive host path. Upon the next VM boot or disk scan, the image format auto-detection parses this header and serves the host file's contents to the guest. Guest-initiated VM reboots are sufficient to trigger a disk scan and do not cause the Cloud Hypervisor process to exit. Therefore, a single VM can perform this attack without needing interaction from the management stack. Successful exploitation requires the backing image to be either writable by the guest or sourced from an untrusted origin. Deployments utilizing only trusted, read-only images are not affected. This issue has been fixed in version 50.1. To workaround, enable land lock sandboxing and restrict process privileges and access.