ChatGPTNextWeb NextChat — Vulnerability (CVE-2026-7643)
Date: 2026-05
Attack vector: other
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-7177
CVE-2026-7178
CVE-2026-7643
CVE-2026-7644
CWE: CWE-266
CWE-285
CWE-346
CWE-918
CWE-942
CVSS: 4.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N)

A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This impacts an unknown function of the file Next.js of the component API Endpoint. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.


Mitigations:

Architectural layers (MAESTRO):