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CVE-2026-108683— zhayujie CowAgent Media Download memory allocation

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 最高至 2.1.9 版本中检测到一项安全漏洞。受影响的组件是 Media Download Handler 中的一个未知函数。此类操纵可导致不受控制的内存分配。攻击者可以从远程发起攻击。该漏洞的利用方法已公开披露，可能被恶意利用。升级至 2.2.0 版本即可修复此问题。补丁的名称为 b7967210268fc4c0afea1078223e74e7e96a8a54。建议您升级受影响的组件。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 11

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
2.1.7 affected
… +3 more rows
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I. Basic Information for CVE-2026-108683

Vulnerability Information
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Vulnerability Title
zhayujie CowAgent Media Download memory allocation
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in zhayujie CowAgent up to 2.1.9. The impacted element is an unknown function of the component Media Download Handler. Such manipulation leads to uncontrolled memory allocation. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 is sufficient to resolve this issue. The name of the patch is b7967210268fc4c0afea1078223e74e7e96a8a54. You should upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的内存分配
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-2026-108683

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III. Intelligence Information for CVE-2026-108683

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Proof of Concept for CVE-2026-108683 (1)

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

CVE-2026-108682 5.4 MEDIUM zhayujie CowAgent Web Console upload read denial of service
CVE-2026-108681 4.3 MEDIUM zhayujie CowAgent Web Console web_channel.py denial of service
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-789

V. Comments for CVE-2026-108683

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