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

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-10 · updated 2026-10-25
Weakness: CWE-200

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.

Affected products

zhayujie CowAgent: 2.0, 2.1.0

References

https://github.com/zhayujie/CowAgent/
https://github.com/zhayujie/CowAgent/issues/2871
https://github.com/zhayujie/CowAgent/issues/2871#issuecomment-4922534422
https://vuldb.com/cve/CVE-2026-15329
https://vuldb.com/submit/853098
https://vuldb.com/vuln/377272
https://vuldb.com/vuln/377272/cti

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