Server-Side Request Forgery Vulnerability in ChatGPTNextWeb NextChat
CVE-2026-7177

6.9MEDIUM

Key Information:

Vendor

Chatgptnextweb

Status
Nextchat
Vendor
CVE Published:
27 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7177?

A security flaw in NextChat versions up to 2.16.1 allows attackers to exploit the proxyHandler function within app/api/[provider]/[...path]/route.ts, posing a server-side request forgery vulnerability. This issue can be exploited remotely, potentially allowing unauthorized access to internal resources or services. Despite early warnings to the project maintainers through an issue report, no response has been received, increasing the urgency for users to assess their exposure and implement necessary mitigations.

Affected Version(s)

NextChat 2.16.0

NextChat 2.16.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7177 - Proof of Concept

References

https://vuldb.com/vuln/359779
vdb-entrytechnical-description
https://vuldb.com/vuln/359779/cti
signaturepermissions-required
https://vuldb.com/submit/797645
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-b (VulDB User)
VulDB CNA Team
.