What is CVE-2026-63295?

CVE-2026-63295 is a medium-severity vulnerability in Canonical Lxd, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-08-12.

How severe is CVE-2026-63295?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Canonical Lxd

CVE-2026-63295

An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass project-level container isolation restrictions. When a project is configured with restrictions on container privileges (such as enforcing restricted.co…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

Canonical Lxd — versions 4.0.0, 5.0.0, 5.21.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@ubuntu.com (vendor-advisory, vdb-entry)

Frequently asked questions

What is CVE-2026-63295?: CVE-2026-63295 is a medium-severity vulnerability in Canonical Lxd, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2026-08-12.
How severe is CVE-2026-63295?: Medium severity. CVSS v3 base score is 4.3 out of 10.