A vulnerability was found in HKUDS LightRAG up to 1.3.8. It has been declared as critical. Affected by this vulnerability is the function
upload_to_input_dir
of the file lightrag/api/routers/document_routes.py of the component File Upload. The manipulation of the argument file.filename leads to path traversal.
This vulnerability is known as CVE-2025-6773. It is possible to launch the attack on the local host. There is no exploit available.
It is recommended to apply a patch to fix this issue.