CVE-2026-7847

Summary

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.

Affected Software

VendorProductVersion RangeStatus
chatchat-spaceLangchain-Chatchat0.3.1.0affected
chatchat-spaceLangchain-Chatchat0.3.1.1affected
chatchat-spaceLangchain-Chatchat0.3.1.2affected
chatchat-spaceLangchain-Chatchat0.3.1.3affected

Weaknesses

  • CWE-330: Insufficiently Random Values
  • CWE-310: Cryptographic Issues

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

References