CVE-2026-108681
Received Received - Intake

Denial of Service in CowAgent Web Console

Publication date: 2026-10-11

Last updated on: 2026-10-11

Assigner: VulDB

Description
A security flaw has been discovered in zhayujie CowAgent up to 2.1.7. Impacted is an unknown function of the file channel/web/web_channel.py of the component Web Console. The manipulation of the argument session_id results in denial of service. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. Version 2.1.7 (commit dec28324) only partly mitigates via a 512MB body cap. The vendor was contacted early about this disclosure.

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Meta Information

Published
2026-10-11
Last Modified
2026-10-11
Generated
2026-10-11
AI Q&A
2026-10-11
EPSS Evaluated
N/A
NVD
CVE-2026-108681
EUVD
EUVD-2026-96996

Affected Vendors & Products

Showing 8 associated CPEs
Vendor Product Version / Range
zhayujie CowAgent 2.1.0
zhayujie CowAgent 2.1.1
zhayujie CowAgent 2.1.2
zhayujie CowAgent 2.1.3
zhayujie CowAgent 2.1.4
zhayujie CowAgent 2.1.5
zhayujie CowAgent 2.1.6
zhayujie CowAgent 2.1.7

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.

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Executive Summary

This vulnerability is a denial of service flaw in zhayujie CowAgent up to version 2.1.7. It exists in the Web Console component, specifically in the file channel/web/web_channel.py. The issue arises from improper handling of the session_id argument, which can be manipulated to cause the service to crash or become unavailable.

Detection Guidance

Monitor for unusually high memory usage or thread counts on systems running CowAgent. Check for excessive HTTP requests to the /message endpoint with large payloads or unique session IDs. Use tools like netstat, htop, or ps to detect abnormal resource consumption.

Impact Analysis

If exploited, this vulnerability could allow an attacker to remotely disrupt the availability of the CowAgent service by sending specially crafted requests. This could lead to service outages, preventing legitimate users from accessing the system.

Compliance Impact

This vulnerability could indirectly impact compliance with GDPR and HIPAA by enabling denial-of-service attacks that disrupt system availability. GDPR requires ensuring availability of personal data processing systems, while HIPAA mandates safeguards against service disruptions. Exploits may lead to unauthorized resource exhaustion, potentially affecting data access or processing.

Mitigation Strategies

Immediately upgrade CowAgent to a patched version beyond 2.1.7. If unavailable, apply the 512MB body cap mitigation mentioned in version 2.1.7. Restrict remote access to the Web Console and monitor for unusual session_id manipulation attempts.

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