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Description

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.

PUBLISHED Reserved 2026-04-11 | Published 2026-04-12 | Updated 2026-04-13 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:W/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:W/RC:UR

Problem types

Missing Authentication

Improper Authentication

Product status

2.0.4
affected

Timeline

2026-04-11:Advisory disclosed
2026-04-11:VulDB entry created
2026-04-11:VulDB entry last update

Credits

Yu_Bao (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/356990 (VDB-356990 | zhayujie chatgpt-on-wechat CowAgent Administrative HTTP Endpoint missing authentication) vdb-entry

vuldb.com/vuln/356990/cti (VDB-356990 | CTI Indicators (IOB, IOC)) signature permissions-required

vuldb.com/submit/793554 (Submit #793554 | zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Administrative API Access) third-party-advisory

vuldb.com/submit/795335 (Submit #795335 | zhayujie chatgpt-on-wechat (CowAgent) 2.0.4 Unauthenticated Channel Credential Injection (Duplicate)) third-party-advisory

github.com/zhayujie/chatgpt-on-wechat/issues/2733 issue-tracking

github.com/zhayujie/chatgpt-on-wechat/issues/2733 exploit issue-tracking

cve.org (CVE-2026-6126)

nvd.nist.gov (CVE-2026-6126)

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