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CVE-2026-6129

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

HIGH
7.3
CVSS Score
Published: April 12, 2026 at 07:45 PM UTC
Updated: June 17, 2026 at 11:00 AM UTC
1 product affected across 1 vendorCowAgent

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Severity
HIGH7.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/356992
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/356992/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/795272
Issue Tracking
Source: cverecord
https://github.com/zhayujie/chatgpt-on-wechat/issues/2741
ExploitIssue Tracking
Source: cverecord
https://github.com/zhayujie/chatgpt-on-wechat/issues/2741#issue-4191903266

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306CWE-287

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