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CVE-2026-15329— zhayujie CowAgent Browser Tool browser_tool.py BrowserTool._do_navigate information disclosure

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.

zhayujie CowAgent是zhayujie个人开发者开源的一个基于大模型的智能助理与可扩展Agent框架。 zhayujie CowAgent 2.1.0及之前版本存在安全漏洞，该漏洞源于Browser Tool组件中文件agent/tools/browser/browser_tool.py的函数BrowserTool._do_navigate操作问题，可能导致信息泄露。

CVSS 4.3 · Medium EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 2

VendorProduct Version RangeStatus
zhayujie CowAgent 2.0 affected
2.1.0 affected
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I. Basic Information for CVE-2026-15329

Vulnerability Information
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Vulnerability Title
zhayujie CowAgent Browser Tool browser_tool.py BrowserTool._do_navigate information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in zhayujie CowAgent up to 2.1.0. This issue affects the function BrowserTool._do_navigate of the file agent/tools/browser/browser_tool.py of the component Browser Tool. Performing a manipulation results in information disclosure. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
zhayujie CowAgent 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zhayujie CowAgent是zhayujie个人开发者开源的一个基于大模型的智能助理与可扩展Agent框架。 zhayujie CowAgent 2.1.0及之前版本存在安全漏洞，该漏洞源于Browser Tool组件中文件agent/tools/browser/browser_tool.py的函数BrowserTool._do_navigate操作问题，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
zhayujie CowAgent 2.0 cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15329

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III. Intelligence Information for CVE-2026-15329

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Proof of Concept for CVE-2026-15329 (1)

News Coverage for CVE-2026-15329 (1)

Same Patch Batch · zhayujie · 2026-07-10 · 4 CVEs total

CVE-2026-15330 7.3 HIGH zhayujie CowAgent Vision Tool vision.py _download_to_data_url server-side request forgery
CVE-2026-15332 6.3 MEDIUM zhayujie CowAgent Message Endpoint channel.py authorization
CVE-2026-15331 5.4 MEDIUM zhayujie CowAgent Skill Installation service.py _add_package path traversal

IV. Related Vulnerabilities

Same product: CowAgent
Same vendor: zhayujie
Same weakness: CWE-200

V. Comments for CVE-2026-15329

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