CVE-2025-6855 MEDIUM

CVE-2025-6855: chatchat-space Langchain-Chatchat file path traversal

Vendor Chatchat-Space
Product Langchain-Chatchat
Weakness CWE-22 · Path traversal
Published June 29, 2025
Last update June 30, 2025

CVSS base score

5.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.

Key dates

02Disclosure timeline

June 29, 2025 CVE published
June 30, 2025 Record updated