Missing Authentication in zhayujie chatgpt-on-wechat CowAgent
CVE-2026-6126

6.9MEDIUM

Key Information:

Vendor

Zhayujie

Status
Chatgpt-on-wechat Cowagent
Vendor
CVE Published:
12 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6126?

A vulnerability has been discovered in zhayujie chatgpt-on-wechat CowAgent version 2.0.4, specifically in the Administrative HTTP Endpoint. This weakness allows for the possibility of unauthenticated access, enabling potential attackers to execute operations without proper credentials. The exploit is publicly available, raising concerns about its misuse for unauthorized actions. Despite an issue report submitted to the project team, they have yet to respond or address the vulnerability.

Affected Version(s)

chatgpt-on-wechat CowAgent 2.0.4

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-2026-6126 - Proof of Concept

References

https://vuldb.com/vuln/356990
vdb-entry
https://vuldb.com/vuln/356990/cti
signaturepermissions-required
https://vuldb.com/submit/793554
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

Yu_Bao (VulDB User)
VulDB CNA Team
.