Vulnerability record · CVE-2026-12411 · published 26 June 2026

CVE-2026-12411: Canonical lxd insecure direct object reference vulnerability

Canonical · Lxd

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.

9.6 CVSS 3.1 Critical EPSS 0.29% · top 80.8% CWE-639 · Insecure direct object referenceCWE-862 · Missing authorization

9.6CVSS 3.1 base score

0.29%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References, 2 tagged exploit

2 Jul 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Lxd Canonical

References

Link	Tags
https://github.com/canonical/lxd/pull/18585	Issue TrackingPatch
https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp	ExploitVendor Advisory
https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp	ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2026-66897Canonical lxd path traversal vulnerabilityA path traversal vulnerability in LXD's instance template processing allows an attacker with container edit permissions, or any user launching a craf…EPSS 0.72%24 Aug 2026 9.9CVE-2026-66898Canonical lxd path traversal vulnerabilityA path traversal vulnerability in LXD allows an attacker to manipulate file system paths during backup import and restore operations. When importing …EPSS 0.59%12 Aug 2026 9.9CVE-2026-63293Canonical lxd link following vulnerabilityA link following vulnerability in LXD allows an attacker to achieve arbitrary file read and write operations on the host system. When importing or un…EPSS 0.59%12 Aug 2026 9.9CVE-2026-63294Canonical lxd link following vulnerabilityA link following vulnerability in LXD allows an attacker to achieve root command execution on the host system. During the import or unpacking of craf…EPSS 0.88%12 Aug 2026 9.9CVE-2026-63296Canonical lxd incorrect authorization vulnerabilityAn authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project restrictions during instance migration. When m…EPSS 0.44%12 Aug 2026 9.9CVE-2026-63297Canonical lxd toctou race condition vulnerabilityAn authorization bypass vulnerability in LXD due to a timing flaw during configuration merging allows an authenticated attacker to bypass target proj…EPSS 0.34%12 Aug 2026 9.9CVE-2026-63298Canonical lxd os command injection vulnerabilityAn improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling allows an authenticated attacker to inje…EPSS 0.69%12 Aug 2026 9.9CVE-2026-63299Canonical lxd allocation without limits vulnerabilityAn authorization bypass vulnerability in LXD allows an authenticated user to bypass project-level disk and volume limits. Two related code paths fail…EPSS 0.59%12 Aug 2026

Source: NIST National Vulnerability Database (record CVE-2026-12411), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.