{"id":17110,"date":"2026-09-05T02:30:46","date_gmt":"2026-09-04T18:30:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-85580"},"modified":"2026-09-05T02:30:46","modified_gmt":"2026-09-04T18:30:46","slug":"cve-2026-85580","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-85580","title":{"rendered":"CVE-2026-85580 [MEDIUM] &#8211; SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-ac"},"content":{"rendered":"<p>SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishAccess.json file by requesting case-variant paths like PublishAccess.json to disclose sensitive publish-access configuration and metadata.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishA<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17110","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17110","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=17110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}