CVE-2026-66898: lxd 6.0; +1 more affected products

CVE-2026-66898. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.00592 (percentile 0.47583), scored 22-Oct-2026.

Affected technology

lxd · from 4.0.0 (inclusive), before 4.0.12 (exclusive)
canonical

lxd · from 5.0.0 (inclusive), before 5.0.4 (exclusive)
canonical

lxd · from 5.1 (inclusive), before 5.21.2 (exclusive)
canonical

lxd · 6.0
canonical

LXD · 4.0.0 to before 4.0.12, 5.0.0 to before 5.0.4, 5.21.0 to before 5.21.2, 6.0 to before 6.1
Canonical

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker can manipulate file system paths during backup import and restore operations. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-22
CCR priority: 39.7 /100 (P4)
CVSS 3.1: 9.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00592 · percentile 0.47583 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-66898.html