{"cve":"CVE-2026-34179","nvd":{"published":"2026-04-09T10:16:21.963","modified":"2026-10-26T21:10:00.170","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","score":9.1},"cwes":["CWE-915"],"references":["https://github.com/canonical/lxd/pull/17936","https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5","https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5"],"products":["canonical:lxd"],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2026-34179","score":0.00274,"percentile":0.19557,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-c3h3-89qf-jqm5","url":"https://osv.dev/vulnerability/GHSA-c3h3-89qf-jqm5","summary":"LXD: Update of type field in restricted TLS certificate allows privilege escalation to cluster admin","modified":"2026-08-11T23:55:35.885323889Z","packages":[{"ecosystem":"Go","name":"github.com/canonical/lxd","purl":"pkg:golang/github.com/canonical/lxd","ranges":[">=0.0.0-20210305023314-538ac3df036e <=0.0.0-20260226085519-736f34afb267"],"fixed":[]}]},{"id":"GO-2026-5306","url":"https://osv.dev/vulnerability/GO-2026-5306","summary":"Type field in restricted TLS certificate allows privilege escalation in github.com/canonical/lxd","modified":"2026-08-11T23:45:11.059369160Z","packages":[{"ecosystem":"Go","name":"github.com/canonical/lxd","purl":"pkg:golang/github.com/canonical/lxd","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}