CVE-2026-108681 zhayujie CowAgent Web Console web_channel.py denial of service
Remote attackers can cause denial of service in CowAgent's web console by manipulating the session_id argument, requiring a patch to mitigate.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108681?
CVE-2026-108681 is a medium-severity denial of service vulnerability in zhayujie CowAgent, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-404
Which versions are affected by CVE-2026-108681?
How do I fix CVE-2026-108681?
No fix has been published for CVE-2026-108681 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-108681 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108681 exists.
Sources
Also known as GHSA-9wr9-h75r-7xj4.