CVE-2026-7847CWE-330

chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values

Low · published May 5, 2026

CVSS v4.0
2.1
EPSS
0%
Percentile
20.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
2.1 · LOW
Vector
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
EPSS
0.00294 · 20.9th percentile
Weakness
CWE-330 · Use of Insufficiently Random Values
Published
2026-05-05T16:30Z
EPSS history
Timeline
  • 05 MAY 16:30Z
    chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values
    cvelistv5