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
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| github.com/canonical/lxd | โ | โ |
| lxd | 6.0 | 6.7 |
References
Similar Threats
- Critical CVE-2026-34177
- Critical CVE-2026-34178
- Medium CVE-2026-3351
- Unknown GO-2025-4121
- High GHSA-3g2j-vm47-x4mj
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