ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery
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.
CVE-2026-105238
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-105238
NextChat
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*"
],
"vendor": "ChatGPTNextWeb",
"modules": [
"Proxy Fallback Handler"
],
"product": "NextChat",
"versions": [
{
"status": "affected",
"version": "2.16.0"
},
{
"status": "affected",
"version": "2.16.1"
}
]
}
]- Related CVEs
- CVE-2026-105238
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #8617 · Revision 1
- Added to Heist Feed
- Publisher date