host file exfiltration

  1. CVE-2026-27211: VM Disk Header Trick Exposes Host Files in Cloud Hypervisor

    A crafty alteration to a VM disk header can make a guest VM read sensitive host files — that is the practical risk discovered in CVE-2026-27211, a high‑severity information‑disclosure flaw in Cloud Hypervisor that reintroduces a long‑standing class of image‑format parsing problems into modern...
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    • cloud security host file exfiltration image parsing virtualization
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    • Forum: Security Alerts