{"id":"CVE-2026-12411","aliases":["GHSA-hhf9-qw4v-72xp"],"url":"https://o3.security/vulnerability/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.","published":"2026-06-26T15:27:55.111Z","modified":"2026-08-12T03:51:27.357729054Z","cvss":{"score":8.4,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":{"url":"https://github.com/canonical/lxd/pull/18585","label":"canonical/lxd#18585"},"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:27.357729054Z"}}