CVE-2026-34179

CRITICAL SEVERITY

CVSS Score & Metrics

Base Score

9.1 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

April 09, 2026

Last Modified

April 13, 2026

CWE ID

CWE-915

Source

NVD

Vendor

Canonical

Product

lxd

External References

https://github.com/canonical/lxd/pull/17936
https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5

CVE-2026-34179

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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