Vulnerability in Cloud-hypervisor

CVE-2026-27211

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 mal…

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27211?
CVE-2026-27211 is a critical-severity vulnerability in Cloud-hypervisor, classified under External Control of File Name or Path. CVSS score: 10.0/10. Published 2026-02-21.
How severe is CVE-2026-27211?
Critical severity. CVSS v3 base score is 10.0 out of 10.