Vulnerability · Published Apr 12, 2026 · Assigned by VulDB
CVE-2026-6126zhayujie chatgpt-on-wechat CowAgent Administrative HTTP Endpoint missing authentication
High 7.3
In plain English
A high-severity missing authentication in chatgpt-on-wechat CowAgent from zhayujie. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zhayujie | chatgpt-on-wechat CowAgent | 2.0.4 |
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R
References
- VDB-356990 | zhayujie chatgpt-on-wechat CowAgent Administrative HTTP Endpoint missing authentication vdb-entry
- VDB-356990 | CTI Indicators (IOB, IOC) signature, permissions-required
- Submit #793554 | zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Administrative API Access third-party-advisory
- Submit #795335 | zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Channel Credential Injection (Duplicate) third-party-advisory
- https://github.com/zhayujie/chatgpt-on-wechat/issues/2733 issue-tracking
- https://github.com/zhayujie/chatgpt-on-wechat/issues/2733#issue-4177804035 exploit, issue-tracking