CVE-2025-6853 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Reference

https://github.com/chatchat-space/Langchain-Chatchat/issues/5352 https://vuldb.com/?ctiid.314325 https://vuldb.com/?id.314325 https://vuldb.com/?submit.601155

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

LOW

Base Severity

6.3

Related CNNVD

CNNVD-202506-3679 (Published: 2025-06-29)