TI-2026-70665 Aliases CVE-2026-108682 GHSA-25fr-gwcc-7xv8

Resource leak in CowAgent Web Console upload enables denial of service

MEDIUM 57CWE-404Published 2026-10-11 · Updated 2026-10-14

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

zhayujie CowAgent up to and including 2.1.6 has a resource leak in the read function of the /upload endpoint of its Web Console, tracked as CWE-404. A remote attacker with low privileges can trigger the flaw to cause a denial of service. A public exploit is available, and the vendor did not respond to early disclosure.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A weakness has been identified in zhayujie CowAgent up to 2.1.6. The affected element is the function read of the file /upload of the component Web Console. This manipulation causes denial of service. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00241 15th 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: Poc
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

Vendor	Product	Affected versions	Fixed in	Status	Source
zhayujie	CowAgent	2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.1.4; 2.1.5; 2.1.6	—	No fix listed	CNA

CowAgent Vendorzhayujie Affected 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.1.4; 2.1.5; 2.1.6 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zhayujie:cowagent::::::::	—	—	zhayujie

cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:* Versions — — ·zhayujie

Remediation

The sources list no fixed version for CowAgent.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-11 Threatist record created from CVE-2026-108682
2026-10-11 Alias added: GHSA-25fr-gwcc-7xv8
2026-10-15 CISA SSVC decision points changed
2026-10-15 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/hackerguopeng/cve/tree/main/CowAgent_Web_Upload_File_Directory_DoS_Report

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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences