Information Disclosure Vulnerability in zhayujie CowAgent Browser Tool
CVE-2026-15329

5.3MEDIUM

Key Information:

Vendor

Zhayujie

Status
Cowagent
Vendor
CVE Published:
10 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15329?

A vulnerability exists in the zhayujie CowAgent's Browser Tool that allows for the potential unauthorized disclosure of sensitive information via the BrowserTool._do_navigate function in browser_tool.py. This issue can be triggered remotely, exposing users to data risks. The project maintainers have been made aware of the vulnerability through an early report but have yet to implement a response. With the exploit already publicly known, it poses a concern for users of CowAgent up to version 2.1.0.

Affected Version(s)

CowAgent 2.0

CowAgent 2.1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-15329 - Proof of Concept

References

https://vuldb.com/vuln/377272
vdb-entrytechnical-description
https://vuldb.com/vuln/377272/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15329
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-x (VulDB User)
VulDB CNA Team
.