CVE-2026-9639: lxd from 5.0.0 (inclusive), before 5.21.5 (exclusive), from 6.0 (inclusive), before 6.9 (exclusive); +1 more affected…

CVE-2026-9639. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00548 (percentile 0.45196), scored 24-Oct-2026.

Affected technology

lxd · from 5.0.0 (inclusive), before 5.21.5 (exclusive)
canonical

lxd · from 6.0 (inclusive), before 6.9 (exclusive)
canonical

LXD · 5.21.0 to before 5.21.5, 6.0 to before 6.9
Canonical

Description’s affected range: up to version 6.8 and 5.21 on Linux

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 authenticated user with can_create_storage_volumes permissions can cause a denial of service via a specially crafted custom-volume backup tarball that omits the expires_at snapshot field. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-476
CCR priority: 26.1 /100 (P4)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.00548 · percentile 0.45642 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-9639.html