CVE-2026-18992: Zhayujie Cowagent

Medium severity, CVSS 6.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability was detected in zhayujie CowAgent up to 2.1.1. This vulnerability affects the function _select_tools of the file agent/evolution/executor.py of the component Self-Evolution Review Agent. Performing a manipulation results in incorrect authorization. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Affected products

• Zhayujie Cowagent: version 2.1.0 only; version 2.1.1 only

Published 2026-08-06. Last modified 2026-08-12.