CVE-2026-12411

CRITICAL
INFO Priority: 0.03 BB Relevance: 69/100
Published: 2026-06-26 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Changed
C: High
I: High
A: None

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.

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
canonical lxd 6.6 – 6.9

Bug Bounty Relevance

69 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

9.6 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

EPSS — Exploitation Probability

0.29%
Raw Score 0.002880
Percentile 21.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00288
2026-10-28
0.00288

Intelligence Sources

nvd ref →