CVE-2026-34179

CRITICAL

9.1

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.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie4/9/2026

Derniere modification4/13/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-915

References

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)

Correlations IOC

Aucune correlation enregistree

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