Feed/CVE-2026-85526
CVE-2026-85526CRITICALCVSS 9.9

CVE-2026-85526

Published Sep 28, 2026·Updated Sep 29, 2026

NVD Description

Path traversal in the Btrfs storage driver (unpackVolume) in Canonical LXD on Linux allows an authenticated user with instance creation privileges to delete or replace arbitrary files and directories on the host filesystem as root via a crafted subvolumes[].path entry in backup/optimized_header.yaml during a btrfs optimized backup import.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

View on NVD Search GitHub Search Google

Get alerted for CVEs like this

Register your stack and get notified within minutes when a matching CVE drops.

Start monitoring free