CVE-2026-84425

A vulnerability was found in zhayujie CowAgent up to 2.1.3. This impacts the function BrowserTool of the file agent/tools/browser/browser_tool.py of the component Browser Tool. Performing a manipulation results in denial of service. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

  • Published Sep 2, 2026
  • CVSS 2.1 low
  • 0.5% chance of exploitation in the next 30 days (EPSS)
  • No fix is known yet

Affected software

CVE-2026-84425 at the National Vulnerability Database