Skip to main content
EPSS 0.5%top 61%

CVE-2026-84427: Denial of Service in zhayujie CowAgent

0
Medium
VulnerabilityCVE-2026-84427cvecve-2026-84427
Published: 09/02/2026 (09/02/2026, 00:30:07 UTC)
Source: CVE Database V5
Vendor/Project: zhayujie
Product: CowAgent

Description

A vulnerability was determined in zhayujie CowAgent up to 2.1.7. Affected is an unknown function of the file agent/tools/bash/bash.py of the component Bash Tool. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
None
Vuln. Integrity
None
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

zhayujie

CowAgent

Affected versions
=2.1.0=2.1.1=2.1.2=2.1.3=2.1.4=2.1.5=2.1.6=2.1.7
CPE configurations
cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/07/2026, 12:35:55 UTC

Technical Analysis

This vulnerability in zhayujie CowAgent versions 2.1.0 through 2.1.7 involves an unknown function in the Bash Tool component (agent/tools/bash/bash.py) that can be manipulated remotely to cause a denial of service condition. The attack requires no user interaction and can be performed over the network with low attack complexity and privileges. The vendor has not provided any response or fix, and the exploit details have been publicly disclosed.

Potential Impact

Successful exploitation results in denial of service, potentially disrupting the availability of the CowAgent service. There is no indication of privilege escalation, data confidentiality, or integrity impact. The vulnerability can be exploited remotely without user interaction.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no official fix is available, users should monitor for updates from the vendor or community. Temporary mitigations are not specified in the available data.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-01T18:15:51.244Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6a976fd9acd9273b4970e68a

Added to database: 09/02/2026, 00:37:45 UTC

Last enriched: 09/07/2026, 12:35:55 UTC

Last updated: 10/15/2026, 18:48:24 UTC

Views: 91

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses