EUVD-2026-27408
GHSA-jv4p-mhmp-69vw
CVSS VectorNVD
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionNVD
A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently random values. Access to the local network is required for this attack. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
AnalysisAI
Insufficiently random file ID generation in Langchain-Chatchat up to version 0.3.1.3 allows authenticated local network attackers to predict uploaded file identifiers via the _get_file_id function, enabling information disclosure. The vulnerability requires local network access and authenticated privileges but carries low exploitability due to high attack complexity. …
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External POC / Exploit Code
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