{"id":"EUVD-2026-20872","revision":"ca278632d77643d1ae3af450761abf54","records":[{"revision":"ca278632d77643d1ae3af450761abf54","observedAt":"2026-11-01T06:05:39.349+00:00","statement":{"source":"euvd","id":"EUVD-2026-20872","aliases":["CVE-2026-34177","GHSA-fm2x-c5qw-4h6f"],"title":"Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden (lxd/project/limits/permissions.go), which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-…","description":"Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden (lxd/project/limits/permissions.go), which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote attacker with can_edit permission on a VM instance in a restricted project can inject an AppArmor rule and a QEMU chardev configuration that bridges the LXD Unix socket into the guest VM, enabling privilege escalation to LXD cluster administrator and subsequently to host root.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD 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":null}],"references":["https://github.com/canonical/lxd/security/advisories/GHSA-fm2x-c5qw-4h6f","https://github.com/canonical/lxd/pull/17909"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-20872","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Apr 9, 2026, 9:15:27 AM","dateUpdated":"Apr 9, 2026, 12:12:48 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-20872","identifiers":["EUVD-2026-20872","CVE-2026-34177","GHSA-fm2x-c5qw-4h6f"]},"retained":false,"historicalAffected":[]}],"coverage":[]}