CVE-2026-12411
criticalpriority · track · 38OT risk · elevatedEPSS 0.003 · 21 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.4–9.6
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/canonical/lxd/pull/18585cnnvd
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xpcnnvd
- https://github.com/canonical/lxd/pull/18585enisa_euvd
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xpenisa_euvd
- https://github.com/canonical/lxd/pull/18585Issue TrackingPatchnvd
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xpExploitVendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan