{"id":17847,"date":"2026-09-06T21:32:52","date_gmt":"2026-09-06T13:32:52","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-86258"},"modified":"2026-09-06T21:32:52","modified_gmt":"2026-09-06T13:32:52","slug":"cve-2026-86258","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-86258","title":{"rendered":"CVE-2026-86258 [MEDIUM] &#8211; nbviewer through 1.0.1 contains a path traversal vulnerability in LocalFileHandler.can_sho"},"content":{"rendered":"<p>nbviewer through 1.0.1 contains a path traversal vulnerability in LocalFileHandler.can_show() that uses string-prefix comparison instead of proper path validation. Attackers can read files from sibling directories outside the configured root by requesting paths that share the root as a textual prefix, disclosing unintended notebooks and credentials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>nbviewer through 1.0.1 contains a path traversal vulnerability in LocalFileHandler.can_show() that uses string-prefix comparison instead of proper path validation. Attackers can read files from siblin<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17847","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17847","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=17847"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17847"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}