CVE-2026-7847

Description

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.

References

https://vuldb.com/vuln/361126/cti

https://vuldb.com/vuln/361126

https://vuldb.com/submit/807796

https://github.com/chatchat-space/Langchain-Chatchat/issues/5464

https://github.com/chatchat-space/Langchain-Chatchat/

https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-3-Predictable-File-ID.md

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4