Auth bypass in Zhayujie Chatgpt-On-Wechat Cowagent

CVE-2026-6126

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.

Vulnerability class: Broken Authentication

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.007 (50.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-6126: held from 0.004 to 0.007.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6126?
CVE-2026-6126 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-2026-6126?
High severity. CVSS v3 base score is 7.3 out of 10.