{"id":6978,"date":"2026-09-04T18:49:22","date_gmt":"2026-09-04T10:49:22","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63300-2"},"modified":"2026-09-04T18:49:22","modified_gmt":"2026-09-04T10:49:22","slug":"cve-2026-63300-2","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-63300-2","title":{"rendered":"CVE-2026-63300 [CRITICAL] &#8211; An improper validation vulnerability in the instancePostMigration function in lxd\/instance"},"content":{"rendered":"<p>An improper validation vulnerability in the instancePostMigration function in lxd\/instance_post.go of LXD allows an authenticated attacker with can_create_instances permissions on a restricted project to bypass project-level security restrictions. When migrating an instance between projects, LXD fails to validate the instance&#8217;s configuration against the target project&#8217;s enforced restrictions (such as restricted.containers.lowlevel, restricted.devices.*, and restricted.networks.access). An attacker can exploit this by creating a disallowed or high-privilege instance in an unrestricted project and subsequently moving it into the restricted project.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An improper validation vulnerability in the instancePostMigration function in lxd\/instance_post.go of LXD allows an authenticated attacker with can_create_instances permissions on a restricted project<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6978","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}