CVE-2026-16194 zhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in CowAgent's web fetch tool to access internal resources.
- 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-2026-16194?
CVE-2026-16194 is a medium-severity server-side request forgery vulnerability in zhayujie CowAgent, published on 18 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in zhayujie CowAgent up to 2.1.1. This affects the function WebFetch.execute of the file agent/tools/web_fetch/web_fetch.py. Executing a manipulation of the argument url can lead to server-side request forgery. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.1.2 is able to mitigate this issue. This patch is called ea47f3097eed4f8295c4cb3d76ecb97e0f43d632. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Weakness: CWE-918
Which versions are affected by CVE-2026-16194?
How do I fix CVE-2026-16194?
No fix has been published for CVE-2026-16194 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-16194 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16194 exists.
Sources
Also known as GHSA-wcfc-xp4r-c7rv.