CVE-2026-12411
Last modified
CVE-2026-12411 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. 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.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Lxd | >= 6.6, < 6.9 |
References
- https://github.com/canonical/lxd/pull/18585Issue Tracking, Patch
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xpExploit, Vendor Advisory
- https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xpExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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