OCTOBER 7, 2026
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Case File

CVE-2026-105238

HIGH · CVSS 7.3 EPSS 0.39% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-10-05 · Last synced 2026-10-07

CyberRota Analysis

AI-Generated

A vulnerability in the Proxy Fallback Handler of ChatGPTNextWeb NextChat versions up to 2.16.1 allows for server-side request forgery due to improper handling of the x-base-url argument in the proxyHandler function. This flaw can be exploited remotely, potentially leading to unauthorized access to internal services. Organizations using affected versions should prioritize patching this vulnerability to mitigate the risk of exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-105238
Severity
HIGH
CVSS
7.3
EPSS
0.39%

Original NVD 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.