CVE-2026-84427: Zhayujie Cowagent

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was determined in zhayujie CowAgent up to 2.1.7. Affected is an unknown function of the file agent/tools/bash/bash.py of the component Bash Tool. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Zhayujie Cowagent: version 2.1.0 only; version 2.1.1 only; version 2.1.2 only; version 2.1.3 only; version 2.1.4 only; version 2.1.5 only; …

Published 2026-09-02. Last modified 2026-09-04.