CVE-2026-6129: Zhayujie Chatgpt-On-Wechat Cowagent

High severity, CVSS 7.3. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Zhayujie Chatgpt-On-Wechat Cowagent: version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.0.3 only; version 2.0.4 only

Published 2026-04-12. Last modified 2026-06-17.