CVE-2026-7644

Summary

A vulnerability has been found in ChatGPTNextWeb NextChat up to 2.16.1. Affected is the function addMcpServer of the file app/mcp/actions.ts. The manipulation leads to improper authorization. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Software

VendorProductVersion RangeStatus
ChatGPTNextWebNextChat2.16.0affected
ChatGPTNextWebNextChat2.16.1affected

Weaknesses

  • CWE-285: Improper Authorization
  • CWE-266: Incorrect Privilege Assignment

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

References