Server-Side Request Forgery Vulnerability in BigSweetPotatoStudio HyperChat
CVE-2026-7223

6.9MEDIUM

Key Information:

Vendor

Bigsweetpotatostudio

Status
Hyperchat
Vendor
CVE Published:
28 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7223?

A server-side request forgery vulnerability exists in the AI Proxy Middleware component of BigSweetPotatoStudio HyperChat, specifically within the 'fetch' function located in the file packages/core/src/http/aiProxyMiddleware.mts. This flaw allows an attacker to manipulate the 'baseurl' argument, potentially enabling unauthorized server-side requests. The vulnerability can be exploited remotely, posing significant security risks. The development team has been notified of the issue through a report but has yet to provide a resolution. Publicly available exploit methods could increase the urgency for mitigation.

Affected Version(s)

HyperChat 2.0.0-alpha.0

HyperChat 2.0.0-alpha.1

HyperChat 2.0.0-alpha.2

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-2026-7223 - Proof of Concept

References

https://vuldb.com/vuln/359823
vdb-entrytechnical-description
https://vuldb.com/vuln/359823/cti
signaturepermissions-required
https://vuldb.com/submit/802265
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

BruceJin (VulDB User)
VulDB CNA Team
.