{"id":7804,"date":"2026-09-04T18:49:43","date_gmt":"2026-09-04T10:49:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-73056"},"modified":"2026-09-04T18:49:43","modified_gmt":"2026-09-04T10:49:43","slug":"cve-2026-73056","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-73056","title":{"rendered":"CVE-2026-73056 [CRITICAL] &#8211; SiYuan kernel versions before 3.7.4 contain an improper restriction of excessive authentic"},"content":{"rendered":"<p>SiYuan kernel versions before 3.7.4 contain an improper restriction of excessive authentication attempts vulnerability in the CheckAuth() middleware. The middleware accepts the API token (Conf.Api.Token) via an Authorization header (Token\/Bearer) or a ?token= query parameter, and neither path is protected by the application&#8217;s CAPTCHA\/lockout mechanism (NeedCaptcha\/WrongAuthCount). As a result, an unauthenticated remote attacker can perform unlimited automated guesses of the API token, particularly when a short or weak custom token has been configured, and upon success gains full RoleAdministrator access enabling arbitrary file operations and SQL queries.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SiYuan kernel versions before 3.7.4 contain an improper restriction of excessive authentication attempts vulnerability in the CheckAuth() middleware. The middleware accepts the API token (Conf.Api.Tok<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-7804","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/7804","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=7804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}