{"id":42364,"date":"2026-10-21T08:34:28","date_gmt":"2026-10-21T00:34:28","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92389"},"modified":"2026-10-21T08:34:28","modified_gmt":"2026-10-21T00:34:28","slug":"cve-2026-92389","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92389","title":{"rendered":"CVE-2026-92389 &#8211; libcurl&#8217;s TFTP state machine fails to validate state transitions against the\nrequested tra"},"content":{"rendered":"<p>libcurl&#8217;s TFTP state machine fails to validate state transitions against the<br \/>\nrequested transfer direction, accepting opening server responses for both<br \/>\nreads and writes interchangeably. A malicious TFTP server can respond to a<br \/>\ndownload request in a way that forces the client into transmit mode, prompting<br \/>\nlibcurl to consume and transmit data from the handle&#8217;s persistent<br \/>\n`CURLOPT_READDATA` pointer &#8211; including data remaining from unrelated prior<br \/>\noperations, such as an HTTP POST request executed on a reused handle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>libcurl&#8217;s TFTP state machine fails to validate state transitions against the<br \/>\nrequested transfer direction, accepting opening server responses for both<br \/>\nreads and writes interchangeably. A malicious TFT<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-42364","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/42364","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=42364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=42364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=42364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}