{"id":"CVE-2026-12411","sourceIdentifier":"security@ubuntu.com","published":"2026-06-26T16:16:30.117","lastModified":"2026-10-25T17:10:00.197","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Control de acceso roto en el componente devLXDInstancePatchHandler de Canonical LXD permite a un invitado no confiable montar, leer y sobrescribir el volumen de almacenamiento personalizado de otro invitado a través de una solicitud PATCH de dispositivo manipulada sobre /dev/lxd cuando security.devlxd.management.volumes está habilitado."}],"affected":[{"source":"security@ubuntu.com","affectedData":[{"vendor":"Canonical","product":"lxd","defaultStatus":"unaffected","collectionURL":"https://github.com/canonical","packageName":"lxd","platforms":["Linux"],"programFiles":["permissions.go"],"repo":"https://github.com/canonical/lxd","versions":[{"version":"6.6","lessThan":"6.9","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security@ubuntu.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","baseScore":8.4,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.0,"impactScore":5.8},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","baseScore":9.6,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.1,"impactScore":5.8}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-26T16:02:35.514095Z","id":"CVE-2026-12411","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security@ubuntu.com","type":"Secondary","description":[{"lang":"en","value":"CWE-639"},{"lang":"en","value":"CWE-862"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6","versionEndExcluding":"6.9","matchCriteriaId":"A42BC1E8-535A-409F-B2BB-277969B507C9"}]}]}],"references":[{"url":"https://github.com/canonical/lxd/pull/18585","source":"security@ubuntu.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp","source":"security@ubuntu.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Vendor Advisory"]}]}