CVE-2026-34178 - Vulnerability Analysis
CriticalCVSS: 9.1Last Updated: April 9, 2026
Canonical LXD - Broken Access Control
Published: April 9, 2026Updated: April 9, 2026Remote Exploitable
Overview
Canonical LXD < 6.8 contains a broken access control vulnerability caused by improper validation of project restrictions in backup.yaml during backup import, letting authenticated remote attackers with instance-creation permission bypass restrictions and gain full host compromise.
Severity & Score
Severity: Critical
CVSS Score: 9.1
Impact
Authenticated attackers can bypass project restrictions to create privileged instances, leading to full host compromise.
Mitigation
Update to version 6.8 or later.
References
Related Resources
Details
- CVE ID
- CVE-2026-34178
- Severity
- Critical
- CVSS Score
- 9.1
- Type
- broken_access_control
- Status
- new
CWE
- CWE-20
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H