ChatGPTNextWeb NextChat up to 2.16.1 route.ts proxyHandler server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k2.98-

Summaryinfo

A vulnerability was found in ChatGPTNextWeb NextChat up to 2.16.1. It has been rated as critical. This affects the function proxyHandler of the file app/api/[provider]/[...path]/route.ts. This manipulation causes server-side request forgery. The identification of this vulnerability is CVE-2026-7177. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability has been found in ChatGPTNextWeb NextChat up to 2.16.1 and classified as critical. Affected by this vulnerability is the function proxyHandler of the file app/api/[provider]/[...path]/route.ts. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-7177. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at gist.github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-25928). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/27/2026 Advisory disclosed
04/27/2026 +0 days VulDB entry created
04/28/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 6742
Status: Not defined

CVE: CVE-2026-7177 (🔒)
GCVE (CVE): GCVE-0-2026-7177
GCVE (VulDB): GCVE-100-359779
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/27/2026 10:21
Updated: 04/28/2026 01:25
Changes: 04/27/2026 10:21 (58), 04/28/2026 01:25 (1)
Complete: 🔍
Submitter: Eric-b
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #797645: nextchat <= 2.16.1 Server-Side Request Forgery / SSRF (CWE-918) (by Eric-b)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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