CVE-2026-34179
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.
- CVSS 3.1
- 9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-26)
- CWE
- CWE-915
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:lxd
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-c3h3-89qf-jqm5 | Go | github.com/canonical/lxd | >=0.0.0-20210305023314-538ac3df036e <=0.0.0-20260226085519-736f34afb267 | no fix published |
| GO-2026-5306 | Go | github.com/canonical/lxd | all versions | no fix published |