{"id":"CVE-2026-34179","revision":"b4a1e178727c42a4a62bc72448e07637","records":[{"revision":"b4a1e178727c42a4a62bc72448e07637","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-34179","aliases":[],"title":"Update of type field in restricted TLS certificate allows privilege escalation to cluster admin","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.","state":0,"publishedAt":"2026-04-09T09:22:14.693+00:00","modifiedAt":"2026-04-09T11:54:18.487+00:00","affected":[{"ecosystem":"https://github.com/canonical","name":"lxd","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Canonical\",\n                    \"product\": \"lxd\",\n                    \"platforms\": [\n                        \"Linux\"\n                    ],\n                    \"collectionURL\": \"https://github.com/canonical\",\n                    \"packageName\": \"lxd\",\n                    \"repo\": \"https://github.com/canonical/lxd\",\n                    \"programFiles\": [\n                        \"permissions.go\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"4.12.0\",\n                            \"lessThan\": \"5.0.7\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"5.1.0\",\n                            \"lessThan\": \"5.21.5\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"6.0.0\",\n                            \"lessThan\": \"6.8.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 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,"severity":"CRITICAL"}],"references":["https://github.com/canonical/lxd/security/advisories/GHSA-c3h3-89qf-jqm5","https://github.com/canonical/lxd/pull/17936"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-34179","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-34179","identifiers":["CVE-2026-34179"]},"retained":false,"historicalAffected":[]}],"coverage":[]}