{"id":32015,"date":"2026-10-02T08:32:12","date_gmt":"2026-10-02T00:32:12","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-51883"},"modified":"2026-10-02T08:32:12","modified_gmt":"2026-10-02T00:32:12","slug":"cve-2026-51883","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-51883","title":{"rendered":"CVE-2026-51883 &#8211; The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3"},"content":{"rendered":"<p>The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences (such as `..`) into the `knowledge_base_name` parameter to write knowledge base content to arbitrary locations outside the configured knowledge base root directory.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences (such as `..`) into the `<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-32015","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/32015","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=32015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}