MEDIUM SeverityCVSS 4.05.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVE-2026-7643

Last updated May 02, 2026 · Published May 02, 2026

Description

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.

Affected products

1 listed

ChatGPTNextWeb:NextChat

Mappings

CWE

CWE-346CWE-942

CAPEC

None listed.

Research

CORS misconfiguration: how to configure cross-origin resource sharing safelyCORS misconfiguration leaks data to attacker-controlled origins. Reflect only allow-listed origins, never…

Guides

How to Secure Next.jsPractical hardening checklist: auth, headers, CSP, SSRF, and deployment.
Next.js Security ChecklistA pre-launch checklist for production Next.js apps.
Next.js CSP ConfigurationSafe CSP defaults and how to avoid breaking your app.

CVE-2026-7643

Description

Affected products

Mappings

Related