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VULNERABILITIES

CVE-2026-63296 Details

Description

An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project restrictions during instance migration. When migrating an instance to a target project, LXD accepts configuration overrides without validating the new configuration against the target project's enforced restrictions. An attacker can exploit this flaw to move instances with disallowed high-privilege configurations into restricted projects, bypassing security controls.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/canonical/lxd/security/advisories/GHSA-gcr9-5q6r-w625 CISA-ADPVendor AdvisoryExploitMitigation
https://github.com/canonical/lxd/security/advisories/GHSA-gcr9-5q6r-w625 [email protected]Vendor AdvisoryExploitMitigation

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect Authorization[email protected]

Affected Products

ProductVersions
canonical lxd
>= 5.0.0, < 5.0.8
>= 5.1, < 5.21.6
>= 6.0, < 6.10

CPE

  • cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-63296
NVD Published Date:
Aug 12, 2026
NVD Last Modified:
Sep 11, 2026
Source:
[email protected]