CVE-2026-18992

MEDIUM 6.3

zhayujie CowAgent Self-Evolution Review Agent executor.py _select_tools authorization

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863 CWE-285
Vendor	zhayujie
Product	cowagent
Published	Aug 6, 2026

Stay Ahead of the Next One

Get instant alerts for zhayujie cowagent

Be the first to know when new medium vulnerabilities affecting zhayujie cowagent are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

zhayujie / CowAgent

2.1.0 2.1.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/386368 vuldb.com: https://vuldb.com/vuln/386368/cti vuldb.com: https://vuldb.com/cve/CVE-2026-18992 vuldb.com: https://vuldb.com/submit/862609 github.com: https://github.com/zhayujie/CowAgent/issues/2904 github.com: https://github.com/zhayujie/CowAgent/issues/2904#issuecomment-4756833239 github.com: https://github.com/zhayujie/CowAgent/

Credits

🔍 ChenMarry (VulDB User)