CVE-2026-34179

CRITICAL

9.1

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung9.1

SchweregradCRITICAL

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienHIGH

BenutzerinteraktionNONE

Veroffentlicht4/9/2026

Zuletzt geandert4/13/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-915

Referenzen

https://github.com/canonical/lxd/pull/17936(security@ubuntu.com)

https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5(security@ubuntu.com)

https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Korrelationen

Keine Korrelationen erfasst

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