EUVD-2026-91121

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51884

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51884: Improper Limitation of a Pathname to a Restricted Directory

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51884

The Langchain Chatchat 0.3.1 software contains a path traversal vulnerability in the /knowledge_base/upload_temp_docs temporary document upload endpoint. An attacker can exploit this by crafting malicious filenames to write files to arbitrary locations on the server, effectively bypassing intende...

CVE-2026-51884

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...

CVE-2026-51884

The /knowledgebase/uploadtempdocs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory...