CVE-2026-18992
Received Received - Intake

Incorrect Authorization in CowAgent Self-Evolution Review Agent

Publication date: 2026-08-06

Last updated on: 2026-08-06

Assigner: VulDB

Description
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.

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Meta Information

Published
2026-08-06
Last Modified
2026-08-06
Generated
2026-08-06
AI Q&A
2026-08-06
EPSS Evaluated
N/A
NVD
CVE-2026-18992
EUVD
EUVD-2026-53705

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
zhayujie cowagent to 2.1.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This vulnerability is an incorrect authorization issue in zhayujie CowAgent up to version 2.1.1. It exists in the _select_tools function of agent/evolution/executor.py within the Self-Evolution Review Agent component. The flaw allows unauthorized remote manipulation due to improper access control checks.

Impact Analysis

An attacker could remotely exploit this to perform unauthorized actions through the Self-Evolution Review Agent. This may lead to data leaks, system misuse, or unauthorized changes depending on the agent's permissions. The public exploit increases risk of real-world attacks.

Mitigation Strategies

Immediately update CowAgent to the latest version beyond 2.1.1 to address the authorization flaw in the Self-Evolution Review Agent component. If an update is unavailable, disable the affected function or isolate the system to prevent remote exploitation.

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