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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
zhayujie CowAgent affected
Version Status Constraints
2.1.0 affected —
2.1.1 affected —
2.1.2 affected —
2.1.3 affected —
2.1.4 affected —
2.1.5 affected —
2.1.6 affected —
2.1.7 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Zhayujie Subscribe
Cowagent Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/outlookgp/CVE/tree/main/CowAgent_Bash_Output_Buffer_DoS_Report cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-84427 cve-icon cve-icon
https://vuldb.com/submit/884137 cve-icon cve-icon
https://vuldb.com/vuln/397793 cve-icon cve-icon
https://vuldb.com/vuln/397793/cti cve-icon cve-icon
History

Wed, 02 Sep 2026 00:45:00 +0000

Type Values Removed Values Added
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.
Title zhayujie CowAgent Bash Tool bash.py denial of service
First Time appeared Zhayujie
Zhayujie cowagent
Weaknesses CWE-404
CPEs cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*
Vendors & Products Zhayujie
Zhayujie cowagent
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-02T00:30:07.139Z

Reserved: 2026-09-01T18:15:51.244Z

Link: CVE-2026-84427

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-02T01:17:23.887

Modified: 2026-09-02T01:17:23.887

Link: CVE-2026-84427

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses