๐Ÿ” CVE Alert

CVE-2026-12411

HIGH 8.4

Broken Access Control in Canonical LXD DevLXD API

CVSS Score
8.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-639 CWE-862
Vendor canonical
Product lxd
Ecosystems
Industries
Technology
Published Jun 26, 2026
Last Updated Jun 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Affected Versions

Canonical / lxd
6.6 < 6.9

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp github.com: https://github.com/canonical/lxd/pull/18585