{"id":13039,"date":"2026-09-04T18:59:50","date_gmt":"2026-09-04T10:59:50","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-57571"},"modified":"2026-09-04T18:59:50","modified_gmt":"2026-09-04T10:59:50","slug":"cve-2026-57571","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-57571","title":{"rendered":"CVE-2026-57571 [CRITICAL] &#8211; Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the"},"content":{"rendered":"<p>Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the crawler saves a downloaded file, the destination filename was taken from attacker-influenced input and joined to the downloads directory with no confinement. A filename containing an absolute path or traversal escaped the downloads directory, giving an arbitrary file write with attacker-controlled contents; the HTTP crawler path uses the response Content-Disposition filename and the browser crawler path uses the download&#8217;s suggested filename. Because the written bytes are attacker-controlled, this can escalate to remote code execution. This issue is fixed in version 0.9.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, when the crawler saves a downloaded file, the destination filename was taken from attacker-influenced input and joined <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13039","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13039","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=13039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}