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2.1
CVE-2026-108681: CowAgent Web Console can crash via session_id
CVE-2026-108681 · published 7 days ago
Summary
The CowAgent Web Console (up to version 2.1.7) can be forced to stop working when a specially crafted session_id is sent to the web_channel component. An attacker from anywhere on the internet could use this to make the service unavailable. Apply the latest update from the vendor or use additional request size limits to protect the system.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| zhayujie | cowagent | 2.1.0 |
Original advisory text
zhayujie CowAgent Web Console web_channel.py denial of service
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.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Severity
2.1
Low
Type
CWE-404Improper Resource Shutdown or Release
Timeline
Published11 Oct 2026
Updated15 Oct 2026
First seen11 Oct 2026
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