{"id":11068,"date":"2026-09-04T18:51:39","date_gmt":"2026-09-04T10:51:39","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-50222"},"modified":"2026-09-04T18:51:39","modified_gmt":"2026-09-04T10:51:39","slug":"cve-2026-50222","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-50222","title":{"rendered":"CVE-2026-50222 [HIGH] &#8211; Missing Authorization, Exposure of Sensitive Information to an Unauthorized Actor vulnerab"},"content":{"rendered":"<p>Missing Authorization, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack&#8217;s Userdata reference APIs.<\/p>\n<p>Several userdata-related APIs in Apache CloudStack, including deleteUserData, linkUserDataToTemplate, resetUserDataForVirtualMachine, deployVirtualMachine, and updateVirtualMachine, exhibit missing or insufficient access control validation, potentially allowing cross-tenant\/cross-account access to userdata resources that belong to other tenants.<\/p>\n<p>This issue affects Apache CloudStack: from 4.18.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.<\/p>\n<p>The deleteCniConfiguration API, introduced in 4.21.0.0, also exhibits similar behaviour and lacks access validation.<\/p>\n<p>Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Missing Authorization, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack&#8217;s Userdata reference APIs.<\/p>\n<p>Several userdata-related APIs in Apache CloudStack, inc<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11068","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11068","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=11068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}