{"id":35204,"date":"2026-10-10T08:32:20","date_gmt":"2026-10-10T00:32:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-108261"},"modified":"2026-10-10T08:32:20","modified_gmt":"2026-10-10T00:32:20","slug":"cve-2026-108261","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-108261","title":{"rendered":"CVE-2026-108261 [CRITICAL] &#8211; Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms\/app 2.5"},"content":{"rendered":"<p>Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms\/app 2.5.14, the \/~\/* admin preview route in packages\/tinacms\/src\/admin\/index.tsx can turn an attacker-controlled hash-router splat into an off-origin iframe URL through packages\/@tinacms\/app\/src\/preview.tsx, while packages\/@tinacms\/app\/src\/lib\/preview-origin.ts derives expectedOrigin from that same URL for the GraphQL message channel in packages\/@tinacms\/app\/src\/lib\/graphql-reducer.ts. An unauthenticated attacker can send a crafted link to a signed-in editor, cause the admin to frame an attacker origin, and have that frame treated as the trusted preview. The attacker-controlled frame can submit GraphQL reads or mutations that the admin executes with the editor credentials, exposing or modifying protected content. This issue is fixed in tinacms 3.14.0 and @tinacms\/app 2.5.14.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tina is a headless content management system. Prior to tinacms 3.14.0 and @tinacms\/app 2.5.14, the \/~\/* admin preview route in packages\/tinacms\/src\/admin\/index.tsx can turn an attacker-controlled hash<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-35204","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/35204","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=35204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=35204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=35204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}