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

Medium 5.3 Published Updated

Remote attackers can exploit the browser navigation function in CowAgent to disclose sensitive information, requiring immediate attention from users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-15329?

CVE-2026-15329 is a medium-severity vulnerability in zhayujie CowAgent, published on 10 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-284, CWE-200

Which versions are affected by CVE-2026-15329?

How do I fix CVE-2026-15329?

No fix has been published for CVE-2026-15329 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-15329 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15329 exists.

Sources

Also known as GHSA-xgqv-jcxf-qp28.

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