CVE-2026-7177 ChatGPTNextWeb NextChat route.ts proxyHandler server-side request forgery

Medium 6.9 Published 27 Apr 2026 Updated 28 Apr 2026

Remote attackers can exploit a server-side request forgery flaw in NextChat's proxy handler to access internal resources or bypass security controls.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-7177?

CVE-2026-7177 is a medium-severity server-side request forgery vulnerability in ChatGPTNextWeb NextChat, published on 27 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A security flaw has been discovered in ChatGPTNextWeb NextChat up to 2.16.1. Affected by this issue is the function proxyHandler of the file app/api/[provider]/[...path]/route.ts. The manipulation results in server-side request forgery. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-918

Which versions are affected by CVE-2026-7177?

It affects 1 product.

Products include Nextchat Nextchat.

How do I fix CVE-2026-7177?

No fix has been published for CVE-2026-7177 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-7177 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7177 exists.

Sources

Also known as GHSA-ff75-fg5h-fjx7.