Vulnerability · Published Oct 11, 2026 · Assigned by VulDB
CVE-2026-108769zhayujie CowAgent Markdown Rendering Markdown.tsx denial of service
Medium 4.3
In plain English
A medium-severity security flaw in CowAgent from zhayujie. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
Weakness: CWE-404 · 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:C
References
- VDB-416551 | zhayujie CowAgent Markdown Rendering Markdown.tsx denial of service vdb-entry
- VDB-416551 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-108769 | CVE Analysis and Report third-party-advisory
- Submit #958041 | zhayujie CowAgent 2.1.6 Denial of Service third-party-advisory
- https://github.com/outlookgp/CVE/tree/main/CowAgent_Markdown_Stream_Render_DoS_Report exploit