CVEvulnerability

CVE-2026-63294

9.9 CRITICAL Published 2026-08-12 Modified 2026-10-24 Official page ↗
Status
Analyzed
Published
2026-08-12
Last modified
2026-10-24
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-59

Description

A link following vulnerability in LXD allows an attacker to achieve root command execution on the host system. During the import or unpacking of crafted image or backup archives, LXD fails to properly validate and confine the backup.yaml file when it exists as a symbolic link. An attacker can exploit this flaw by providing a malicious archive with a symlinked backup.yaml file, causing LXD to process unconfined configuration metadata and execute arbitrary commands with root privileges.

Affected configurations

• canonical lxd (>= 4.0.0 < 4.0.12) • canonical lxd (>= 5.0.0 < 5.0.8) • canonical lxd (>= 5.1 < 5.21.6) • canonical lxd (>= 6.0 < 6.10)

Related

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References