{"id":12192,"date":"2026-09-04T18:54:11","date_gmt":"2026-09-04T10:54:11","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-81727"},"modified":"2026-09-04T18:54:11","modified_gmt":"2026-09-04T10:54:11","slug":"cve-2026-81727","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-81727","title":{"rendered":"CVE-2026-81727 [HIGH] &#8211; NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the D"},"content":{"rendered":"<p>NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incr_download methods that allows attackers to overwrite files outside the install root through pre-existing hardlinks. Attackers with write access to a shared downloader directory can create hardlinks pointing to outside-root files that are then overwritten during normal package extraction, mutating files outside the intended install tree.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NLTK versions before 3.10.3 contain a filesystem containment bypass vulnerability in the Downloader.download and Downloader.incr_download methods that allows attackers to overwrite files outside the i<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-12192","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/12192","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=12192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}