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CVE-2026-108682— zhayujie CowAgent Web Console upload read denial of service

Quick assessment

Affected
zhayujie CowAgent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 zhayujie CowAgent 2.1.6 及更早版本中发现了一个弱点。受影响的是 Web 控制台组件中 文件的 函数。这种操作可导致拒绝服务。该攻击可以远程发起。攻击代码已公开，可能被用于实施攻击。供应商在披露早期已被联系，但未作出任何回应。

CVSS 5.4 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 7

VendorProduct Version RangeStatus
zhayujie CowAgent 2.1.0 affected
2.1.1 affected
2.1.2 affected
2.1.3 affected
2.1.4 affected
2.1.5 affected
2.1.6 affected
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I. Basic Information for CVE-2026-108682

Vulnerability Information
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Vulnerability Title
zhayujie CowAgent Web Console upload read denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
zhayujie CowAgent 2.1.0 cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108682

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III. Intelligence Information for CVE-2026-108682

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Proof of Concept for CVE-2026-108682 (1)

Same Patch Batch · zhayujie · 2026-10-11 · 5 CVEs total

CVE-2026-108681 4.3 MEDIUM zhayujie CowAgent Web Console web_channel.py denial of service
CVE-2026-108683 4.3 MEDIUM zhayujie CowAgent Media Download memory allocation
CVE-2026-108768 4.3 MEDIUM zhayujie CowAgent Streaming Tool-Call Argument json.loads allocation of resources
CVE-2026-108769 4.3 MEDIUM zhayujie CowAgent Markdown Rendering Markdown.tsx denial of service

IV. Related Vulnerabilities

Same product: CowAgent
Same vendor: zhayujie
Same weakness: CWE-404

V. Comments for CVE-2026-108682

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