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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2026-12411

Broken Access Control in Canonical LXD DevLXD API

Description

Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Canonical lxd

Default version status: unaffected

  • 6.6 to < 6.9affected

References