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CVE-2026-16194— zhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery

Quick assessment

Affected
zhayujie CowAgent
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

zhayujie CowAgent是zhayujie个人开发者开源的一个基于大模型的智能助理与可扩展Agent框架。 zhayujie CowAgent 2.1.1及之前版本存在服务端请求伪造漏洞，该漏洞源于文件agent/tools/web_fetch/web_fetch.py中的WebFetch.execute函数对参数url的操作，可能导致服务端请求伪造。

CVSS 6.3 · Medium EPSS 0.33% · P26

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
zhayujie CowAgent 2.1.0 affected
2.1.1 affected
2.1.2 unaffected
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I. Basic Information for CVE-2026-16194

Vulnerability Information
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Vulnerability Title
zhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
zhayujie CowAgent 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zhayujie CowAgent是zhayujie个人开发者开源的一个基于大模型的智能助理与可扩展Agent框架。 zhayujie CowAgent 2.1.1及之前版本存在服务端请求伪造漏洞，该漏洞源于文件agent/tools/web_fetch/web_fetch.py中的WebFetch.execute函数对参数url的操作，可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
zhayujie CowAgent 2.1.0 cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16194

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III. Intelligence Information for CVE-2026-16194

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Patches & Fixes for CVE-2026-16194 (2)

Other References for CVE-2026-16194 (2)

IV. Related Vulnerabilities

Same product: CowAgent
Same vendor: zhayujie
Same weakness: CWE-918

V. Comments for CVE-2026-16194

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