Denial of Service Vulnerability in zhayujie CowAgent by zhayujie
CVE-2026-108769

5.3MEDIUM

Key Information:

Vendor

Zhayujie

Status
Cowagent
Vendor
CVE Published:
11 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108769?

A security flaw has been identified in the zhayujie CowAgent application, specifically within the Markdown Rendering component in the Markdown.tsx file. This vulnerability allows for remote manipulation that can lead to a denial of service condition, potentially disrupting service availability. The exploit for this issue has been publicly released, posing a notable risk. Despite being notified, the vendor has not addressed the concern, further emphasizing the need for users to be vigilant.

Affected Version(s)

CowAgent 2.0

CowAgent 2.1

CowAgent 2.2.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-108769 - Proof of Concept

References

https://vuldb.com/vuln/416551
vdb-entry
https://vuldb.com/vuln/416551/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108769
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

outlookgp (VulDB User)
VulDB CNA Team
.