Auth bypass in Zhayujie Chatgpt-on-wechat Cowagent
CVE-2026-6129
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…
Vulnerability class: Broken Authentication
EPSS: 0.001 (29.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Zhayujie Chatgpt-on-wechat Cowagent — versions 2.0.0, 2.0.1, 2.0.2
Weakness classification (CWE)
References
- VDB-356992 | zhayujie chatgpt-on-wechat CowAgent Agent Mode Service missing authentication (vdb-entry)
- VDB-356992 | CTI Indicators (IOB, IOC) (signature, permissions-required)
- Submit #795272 | zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Remote Code Execution (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-6129?
- CVE-2026-6129 is a high-severity vulnerability in Zhayujie Chatgpt-on-wechat Cowagent, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-04-12.
- How severe is CVE-2026-6129?
- High severity. CVSS v3 base score is 7.3 out of 10.