HKUDS LightRAG up to 1.3.8 File Upload document_routes.py upload_to_input_dir file.filename path traversal

Summaryinfo

A vulnerability classified as critical has been found in HKUDS LightRAG up to 1.3.8. The affected element is the function upload_to_input_dir of the file lightrag/api/routers/document_routes.py of the component File Upload. This manipulation of the argument file.filename causes path traversal. The identification of this vulnerability is CVE-2025-6773. The attack can only be executed locally. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

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 with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-6773. The exploitation appears to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Applying the patch 60777d535b719631680bcf5d0969bdef79ca4eaf is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19421). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• HKUDS

Name

• LightRAG

Version

• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3
• 1.3.4
• 1.3.5
• 1.3.6
• 1.3.7
• 1.3.8

License

• open-source

Website

• Product: https://github.com/HKUDS/LightRAG/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Submitinfo

Accepted

• Submit #601276: HKUDS LightRAG v1.3.8 Path Traversal (by Hannibal0x)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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