CVE-2026-108769

MEDIUM 4.3

zhayujie CowAgent Markdown Rendering Markdown.tsx denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A security flaw has been discovered in zhayujie CowAgent up to 2.2.0. This affects an unknown part of the file Markdown.tsx of the component Markdown Rendering. The manipulation results in denial of service. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-404
Vendor	zhayujie
Product	cowagent
Published	Oct 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

zhayujie / CowAgent

2.0 2.1 2.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/416551 vuldb.com: https://vuldb.com/vuln/416551/cti vuldb.com: https://vuldb.com/cve/CVE-2026-108769 vuldb.com: https://vuldb.com/submit/958041 github.com: https://github.com/outlookgp/CVE/tree/main/CowAgent_Markdown_Stream_Render_DoS_Report

Credits

🔍 outlookgp (VulDB User) VulDB CNA Team