CVE-2026-34179
CRITICAL
INFO
Priority: 0.02
BB Relevance:
63/100
Published: 2026-04-09
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
Scope Change
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
High
UI:
None
S:
Changed
C:
High
I:
High
A:
High
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.
Weakness Classification (1)
Affected Software (3)
References & Advisories (2)
Issue Tracking
Patch
Exploit
Third Party Advisory