ChatGPTNextWeb NextChat API Endpoint Next.js cross-domain policy_CVE-2026-7643

5.3 / 10

MEDIUM

CVSS: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

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.

Basic Information

ID CVE-2026-7643

Source VulDB

Published May 2, 2026 at 14:45

Affected Product

Vendor ChatGPTNextWeb

Product NextChat

Version 2.16.0

Affected Versions ChatGPTNextWeb NextChat 2.16.0
ChatGPTNextWeb NextChat 2.16.1

CWE Classification

CWE-942 CWE-346

References

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    "published": "2026-05-02T14:45:12.877Z",
    "modified": "2026-05-02T14:45:12.877Z",
    "type": "cve",
    "title": "ChatGPTNextWeb NextChat API Endpoint Next.js cross-domain policy",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/360755\nhttps://vuldb.com/vuln/360755/cti\nhttps://vuldb.com/submit/806833\nhttps://github.com/ChatGPTNextWeb/NextChat/issues/6756\nhttps://github.com/ChatGPTNextWeb/NextChat/",
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    "sourceData": "ChatGPTNextWeb NextChat 2.16.0\nChatGPTNextWeb NextChat 2.16.1",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS: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",
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    "product": "NextChat",
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