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CVE-2026-105238— ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery

Quick assessment

Affected
ChatGPTNextWeb NextChat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 ChatGPTNextWeb NextChat 版本 2.16.1 及更早版本中发现了一个漏洞。该漏洞影响组件 Proxy Fallback Handler 中文件 app/api/proxy.ts 的 proxyHandler 函数。对参数 x-base-url 的操纵会导致服务端请求伪造(SSRF)。攻击者可以远程发起该攻击。相关利用代码已公开,可能被滥用。修复该问题的拉取请求(Pull Request)目前仍在等待合并。

CVSS 7.3 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-105238

Vulnerability Information

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Vulnerability Title
ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ChatGPTNextWeb NextChat 2.16.0 cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-105238

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III. Intelligence Information for CVE-2026-105238

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Other References for CVE-2026-105238 (5)

IV. Related Vulnerabilities

V. Comments for CVE-2026-105238

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