CVE-2026-6129

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

State: Published
Severity: 6.9 Medium
Published: Apr 12, 2026
Updated: Apr 15, 2026
Reserved: Apr 12, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulDB
3.1	7.3 High	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	VulDB
3.0	7.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:W/RC:UR	VulDB

Weaknesses

CWE-306 Missing Authentication
CWE-287 Improper Authentication

Affected Products

Product	Versions
chatgpt-on-wechat CowAgentzhayujie	2.0.0Affected 2.0.1Affected 2.0.2Affected 2.0.3Affected 2.0.4Affected

References

VDB-356992 | zhayujie chatgpt-on-wechat CowAgent Agent Mode Service missing authenticationvdb-entry
VDB-356992 | CTI Indicators (IOB, IOC)signaturepermissions-required
Submit #795272 | zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Remote Code Executionthird-party-advisory
https://github.com/zhayujie/chatgpt-on-wechat/issues/2741issue-tracking
https://github.com/zhayujie/chatgpt-on-wechat/issues/2741#issue-4191903266exploitissue-tracking

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