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TI-2026-05373 Aliases CVE-2026-6129GHSA-8r42-22r7-vfg2

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

Priority LOW 31CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00391 33rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
zhayujiechatgpt-on-wechat CowAgent2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4—No fix listedCNA
  • chatgpt-on-wechat CowAgent Vendorzhayujie Affected 2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-6129
  2. 2026-10-03 Alias added: GHSA-8r42-22r7-vfg2
  3. 2026-10-13 EPSS moved to the 50th–90th percentile
  4. 2026-10-25 EPSS moved to the below the 50th percentile

References

  • TI-2026-12902 zhayujie CowAgent Vision Tool vision.py _download_to_data_url server-side request forgery CVSS 4.0MEDIUM 6.9
  • TI-2026-12400 zhayujie chatgpt-on-wechat CowAgent wx Endpoint common.py verify_server missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-08952 zhayujie chatgpt-on-wechat Bash Tool bash.py _get_safety_warning os command injection CVSS 4.0MEDIUM 6.9
  • TI-2026-05370 zhayujie chatgpt-on-wechat CowAgent Administrative HTTP Endpoint missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-05261 zhayujie chatgpt-on-wechat CowAgent API Memory Content Endpoint service.py dispatch path traversal CVSS 4.0MEDIUM 6.9
  • TI-2026-70803 Denial of service in zhayujie CowAgent Markdown rendering CVSS 4.0MEDIUM 5.3
See all 18 →

Sources