{"id":33544,"date":"2026-10-07T04:31:20","date_gmt":"2026-10-06T20:31:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-105867"},"modified":"2026-10-07T04:31:20","modified_gmt":"2026-10-06T20:31:20","slug":"cve-2026-105867","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-105867","title":{"rendered":"CVE-2026-105867 &#8211; Payload is a free and open source headless content management system. In @payloadcms\/stora"},"content":{"rendered":"<p>Payload is a free and open source headless content management system. In @payloadcms\/storage-s3 versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user can overwrite an existing S3 object belonging to another upload collection when client uploads are enabled for multiple collections sharing a bucket and useCompositePrefixes is false or unset. This bypasses the target collection&#8217;s access controls and prior file validation. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Payload is a free and open source headless content management system. In @payloadcms\/storage-s3 versions before 3.90.0 and canary versions before 4.0.0-canary.34, an authenticated user can overwrite a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-33544","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/33544","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=33544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}