{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62420","assignerOrgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","state":"PUBLISHED","assignerShortName":"canonical","dateReserved":"2026-07-14T08:57:47.667Z","datePublished":"2026-08-12T19:12:28.097Z","dateUpdated":"2026-08-12T19:27:44.371Z"},"containers":{"cna":{"title":"Cross-project cluster migration bypasses project restrictions via cluster notification flag","descriptions":[{"lang":"en","value":"An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project security restrictions during cross-project instance migrations. When moving an instance cross-project to a different cluster member via POST /1.0/instances/{name} with migration: true, project: <target>, and target: <member>, the destination node skips all project restriction checks because the request arrives as an internal cluster notification. An attacker can exploit this to introduce disallowed instance configurations into a restricted project."}],"affected":[{"vendor":"Canonical","product":"LXD","packageName":"LXD","platforms":["Linux"],"repo":"https://github.com/canonical/lxd","defaultStatus":"unaffected","versions":[{"version":"5.0.0","status":"affected","versionType":"semver","lessThan":"5.0.8"},{"version":"5.21.0","status":"affected","versionType":"semver","lessThan":"5.21.6"},{"version":"6.0","status":"affected","versionType":"semver","lessThan":"6.10"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-863 Incorrect Authorization","cweId":"CWE-863","type":"CWE"}]}],"references":[{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-v9wr-9r7q-fh4g","tags":["vdb-entry","vendor-advisory"]},{"url":"https://github.com/canonical/lxd/pull/18651","tags":["patch"]},{"url":"https://github.com/canonical/lxd/pull/18605","tags":["patch"]}],"impacts":[{"capecId":"CAPEC-180","descriptions":[{"lang":"en","value":"Exploiting Incorrectly Configured Access Control Security Levels"}]},{"capecId":"CAPEC-122","descriptions":[{"lang":"en","value":"Privilege Abuse"}]},{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"Privilege Escalation"}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL"}}],"source":{"discovery":"EXTERNAL"},"solutions":[{"lang":"en","value":"Upgrade to LXD version 5.0.8 or later, 5.21.6 or later, or 6.10 or later."}],"providerMetadata":{"orgId":"cc1ad9ee-3454-478d-9317-d3e869d708bc","shortName":"canonical","dateUpdated":"2026-08-12T19:12:28.097Z"}},"adp":[{"references":[{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-v9wr-9r7q-fh4g","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T19:26:54.388067Z","id":"CVE-2026-62420","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-12T19:27:44.371Z"}}]}}