CVE-2026-16194
MEDIUMzhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery
Title source: cnaDescription
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.
References (9)
Core 9
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-380009 | zhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery
https://vuldb.com/vuln/380009
Signature, Permissions Required signature
permissions-required
VDB-380009 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/380009/cti
Third Party Advisory third-party-advisory
CVE-2026-16194 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-16194
Third Party Advisory third-party-advisory
Submit #857620 | zhayujie CowAgent 2.1.1 Server-Side Request Forgery (CWE-918)
https://vuldb.com/submit/857620
Exploit exploit
issue-tracking
https://github.com/zhayujie/CowAgent/issues/2889
Patch issue-tracking
patch
https://github.com/zhayujie/CowAgent/pull/2900
Product product
https://github.com/zhayujie/CowAgent/
Scores
CVSS v3
6.3
EPSS
0.0033
EPSS Percentile
25.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-918
Status
published
Products (3)
zhayujie/CowAgent
2.1.0
zhayujie/CowAgent
2.1.1
zhayujie/CowAgent
2.1.2
Published
Jul 18, 2026
Tracked Since
Jul 19, 2026