CVE-2026-16194

zhayujie CowAgent web_fetch.py WebFetch.execute server-side request forgery

MEDIUM
6.3
CVSS Score
Published: July 18, 2026 at 09:15 PM UTC
Updated: October 24, 2026 at 08:10 PM UTC
1 product affected across 1 vendorCowAgent

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions2.1.02.1.1
Vendor states this is fixed in 2.1.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/380009
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/380009/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-16194
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/857620
ExploitIssue Tracking
Source: cverecord
https://github.com/zhayujie/CowAgent/issues/2889
Issue TrackingPatch
Source: cverecord
https://github.com/zhayujie/CowAgent/pull/2900

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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