CVE-2025-6853 – Chatchat Space Langchain-Chatchat Path Traversal Vulnerability

CVE ID : CVE-2025-6853

Published : June 29, 2025, 8:15 a.m. | 43 minutes ago

Description : A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Severity: 6.3 | MEDIUM

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