{"id":"CVE-2026-12411","summary":"Broken Access Control in Canonical LXD DevLXD API","details":"Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.","aliases":["GHSA-hhf9-qw4v-72xp"],"modified":"2026-08-12T03:51:27.357729054Z","published":"2026-06-26T15:27:55.111Z","database_specific":{"cna_assigner":"canonical","cwe_ids":["CWE-639","CWE-862"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12411.json"},"references":[{"type":"WEB","url":"https://github.com/canonical"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12411.json"},{"type":"ADVISORY","url":"https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12411"},{"type":"FIX","url":"https://github.com/canonical/lxd/pull/18585"},{"type":"PACKAGE","url":"https://github.com/canonical/lxd"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/canonical/lxd","events":[{"introduced":"49569b65625b9c53dc5dce885ca2cb1390fd6481"},{"fixed":"85f897013ccdb0f8f44d434a3b655d2edcefcfae"}],"database_specific":{"cpe":"cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"6.6"},{"fixed":"6.9"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-12411.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"}]}