EUVD-2026-21730
GHSA-8hj3-w5vf-j956
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3Description
A weakness has been identified in zhayujie chatgpt-on-wechat CowAgent 2.0.4. The affected element is an unknown function of the component Administrative HTTP Endpoint. This manipulation causes missing authentication. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Analysis
Missing authentication in zhayujie chatgpt-on-wechat CowAgent 2.0.4 administrative HTTP endpoint allows remote attackers to bypass access controls and perform unauthorized administrative operations without credentials. Publicly available exploit code exists. …
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Remediation
Within 24 hours: Identify all systems running CowAgent 2.0.4 and immediately isolate affected instances from production networks or disable public HTTP access to administrative endpoints. Within 7 days: Implement network-level authentication controls (reverse proxy, WAF rules requiring API keys) or migrate to an alternative chatbot framework; contact zhayujie maintainers directly to assess patch timeline. …
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External POC / Exploit Code
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