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CVE-2026-14714— zhayujie chatgpt-on-wechat CowAgent wx Endpoint common.py verify_server 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.

zhayujie CowAgent是zhayujie个人开发者开源的一个基于大模型的智能助理与可扩展Agent框架。 zhayujie CowAgent 2.1.0版本存在授权问题漏洞，该漏洞源于文件channel/wechatmp/common.py中wx Endpoint组件的verify_server函数在处理参数wechatmp_token时存在缺失身份验证问题，可能导致未授权的远程攻击。

CVSS 6.5 · Medium EPSS 0.78% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
zhayujie chatgpt-on-wechat CowAgent 2.1.0 affected
2.1.1 unaffected
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I. Basic Information for CVE-2026-14714

Vulnerability Information
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Vulnerability Title
zhayujie chatgpt-on-wechat CowAgent wx Endpoint common.py verify_server missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in zhayujie chatgpt-on-wechat CowAgent 2.1.0. This issue affects the function verify_server of the file channel/wechatmp/common.py of the component wx Endpoint. This manipulation of the argument wechatmp_token causes missing authentication. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2.1.1 is capable of addressing this issue. Patch name: 3d7c68bac6ee74fad63f43cf99e45c62e202ed55. It is suggested to upgrade the affected component. The project confirms: "We've added an explicit non-empty check for wechatmp_token in verify_server() so that the /wx endpoint now fails closed with 403 Forbidden whenever the token is missing or left at the default empty value, instead of relying on a signature check that silently degenerates to a predictable hash."
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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
zhayujie CowAgent 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zhayujie CowAgent是zhayujie个人开发者开源的一个基于大模型的智能助理与可扩展Agent框架。 zhayujie CowAgent 2.1.0版本存在授权问题漏洞，该漏洞源于文件channel/wechatmp/common.py中wx Endpoint组件的verify_server函数在处理参数wechatmp_token时存在缺失身份验证问题，可能导致未授权的远程攻击。
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 2.1.0 cpe:2.3:a:zhayujie:chatgpt-on-wechat_cowagent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14714

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III. Intelligence Information for CVE-2026-14714

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Patches & Fixes for CVE-2026-14714 (1)

Vendor Advisories for CVE-2026-14714 (1)

Proof of Concept for CVE-2026-14714 (1)

IV. Related Vulnerabilities

Same product: chatgpt-on-wechat CowAgent
Same vendor: zhayujie
Same weakness: CWE-306

V. Comments for CVE-2026-14714

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