CVE-2025-6854: A vulnerability classified as problematic was found in chatchat-space Langchain-Chatchat up to 0.3.1. This vulnerability
Summary
CVE-2025-6854 is a path traversal vulnerability (a flaw that lets attackers access files outside intended directories) in Langchain-Chatchat software versions up to 0.3.1, specifically in a file upload endpoint. The vulnerability can be exploited remotely by attackers with login credentials and has already been publicly disclosed.
Vulnerability Details
4.3(medium)
EPSS: 0.1%
Classification
Affected Vendors
Related Issues
CVE-2024-27444: langchain_experimental (aka LangChain Experimental) in LangChain before 0.1.8 allows an attacker to bypass the CVE-2023-
CVE-2025-45150: Insecure permissions in LangChain-ChatGLM-Webui commit ef829 allows attackers to arbitrarily view and download sensitive
Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-6854
First tracked: February 15, 2026 at 08:35 PM
Classified by LLM (prompt v3) · confidence: 85%