CVE-2026-6129— zhayujie chatgpt-on-wechat CowAgent Agent Mode Service missing authentication
Quick assessment
Affected
zhayujie chatgpt-on-wechat CowAgent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
CowAgent是zhayujie个人开发者的一个基于大模型的智能助理与可扩展Agent框架。 CowAgent 2.0.4及之前版本存在访问控制错误漏洞，该漏洞源于Agent Mode Service组件缺少身份验证，可能导致远程攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-6129
Vulnerability Information
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Vulnerability Title
zhayujie chatgpt-on-wechat CowAgent Agent Mode Service missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in zhayujie chatgpt-on-wechat CowAgent up to 2.0.4. This affects an unknown function of the component Agent Mode Service. Performing a manipulation results in missing authentication. The attack can be initiated remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
CowAgent 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CowAgent是zhayujie个人开发者的一个基于大模型的智能助理与可扩展Agent框架。 CowAgent 2.0.4及之前版本存在访问控制错误漏洞，该漏洞源于Agent Mode Service组件缺少身份验证，可能导致远程攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| zhayujie | chatgpt-on-wechat CowAgent | 2.0.0 | - |
|
II. Public POCs for CVE-2026-6129
| # | POC Description | Source Link | Shenlong Link |
|---|
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Proof of Concept for CVE-2026-6129 (1)
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🔗 Unauthenticated Remote Code Execution · Issue #2741 · zhayujie/CowAgent Read full article exploit issue-tracking
News Coverage for CVE-2026-6129 (1)
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V. Comments for CVE-2026-6129
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