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NVD Vulnerability Details :
CVE-2026-12411
Analyzed
More InfoOfficial Page
Source-security@ubuntu.com
View Known Exploited Vulnerability (KEV) details
Published At-26 Jun, 2026 | 16:16
Updated At-02 Jul, 2026 | 14:14

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.4HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Primary3.19.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
N/A
Type: Secondary
Version: 3.1
Base score: 8.4
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Type: Primary
Version: 3.1
Base score: 9.6
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
Canonical Ltd.
canonical
>>lxd>>Versions from 6.6(inclusive) to 6.9(exclusive)
cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-639Secondarysecurity@ubuntu.com
CWE-862Secondarysecurity@ubuntu.com
CWE ID: CWE-639
Type: Secondary
Source: security@ubuntu.com
CWE ID: CWE-862
Type: Secondary
Source: security@ubuntu.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/canonical/lxd/pull/18585security@ubuntu.com
Issue Tracking
Patch
https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xpsecurity@ubuntu.com
Exploit
Vendor Advisory
https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
Vendor Advisory
Hyperlink: https://github.com/canonical/lxd/pull/18585
Source: security@ubuntu.com
Resource:
Issue Tracking
Patch
Hyperlink: https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp
Source: security@ubuntu.com
Resource:
Exploit
Vendor Advisory
Hyperlink: https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Exploit
Vendor Advisory
Change History
0Changes found
Details not found