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CVE-2026-63300: lxd from 5.0.0 (inclusive), before 5.0.8 (exclusive), from 5.1 (inclusive), before 5.21.6 (exclusive), from 6.0…
CVE-2026-63300. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.00539 (percentile 0.44572), scored 22-Oct-2026.
Affected technology
lxd · from 5.0.0 (inclusive), before 5.0.8 (exclusive)
canonical
lxd · from 5.1 (inclusive), before 5.21.6 (exclusive)
canonical
lxd · from 6.0 (inclusive), before 6.10 (exclusive)
canonical
LXD · 5.0.0 to before 5.0.8, 5.21.0 to before 5.21.6, 6.0 to before 6.10
Canonical
Component: Not specified by the source
Function: in
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
An authenticated attacker with can_create_instances permissions on a restricted project can bypass project-level security restrictions. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-862
- 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
- 0.00539 · percentile 0.44572 · 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-2026-63300.html