CVE-2026-34179

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/{fingerprint} for restricted TLS certificate users, allowing a remote authenticated attacker to escalate privileges to cluster admin.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-915

Affected software

No affected versions have been published.

Timeline

Published: Apr 9, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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