{"id":27294,"date":"2026-09-22T08:30:57","date_gmt":"2026-09-22T00:30:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-58270"},"modified":"2026-09-22T08:30:57","modified_gmt":"2026-09-22T00:30:57","slug":"cve-2026-58270","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-58270","title":{"rendered":"CVE-2026-58270 [MEDIUM] &#8211; Sync-in Server is an open-source platform for file storage, sharing, collaboration, and sy"},"content":{"rendered":"<p>Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, the sync diff endpoint compiles a user-supplied string into a `RegExp` with no complexity validation. A catastrophic-backtracking pattern (e.g. `^(a+)+b`) blocks the Node.js event loop, making the entire server unresponsive to all users until the container is restarted. Version 2.4.0 patches the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sync-in Server is an open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.4.0, the sync diff endpoint compiles a user-supplied string into a `RegExp` with no <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27294","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27294","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=27294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}