CVE-2026-6129CWE-287CWE-306

zhayujie chatgpt-on-wechat CowAgent Agent Mode Service missing authentication

Medium · published April 12, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
50.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00654 · 50.7th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-04-12T19:45Z
EPSS history
Timeline
  • 12 APR 19:45Z
    zhayujie chatgpt-on-wechat CowAgent Agent Mode Service missing authentication
    cvelistv5