Description
The /knowledge_base/upload_temp_docs 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.
References
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.