What’s Vulnerable › Vulnerabilities

CVE-2026-108683: zhayujie CowAgent Media Download memory allocation

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-11 · updated 2026-10-13
• Weakness: CWE-400

Description

A security vulnerability has been detected in zhayujie CowAgent up to 2.1.9. The impacted element is an unknown function of the component Media Download Handler. Such manipulation leads to uncontrolled memory allocation. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 is sufficient to resolve this issue. The name of the patch is b7967210268fc4c0afea1078223e74e7e96a8a54. You should upgrade the affected component.

Affected products

• zhayujie CowAgent: 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 (+4)

References

• https://github.com/lche511/cve/tree/main/CowAgent_Channel_Media_Download_DoS_Report
• https://github.com/zhayujie/CowAgent/
• https://github.com/zhayujie/CowAgent/commit/b7967210268fc4c0afea1078223e74e7e96a8a54
• https://github.com/zhayujie/CowAgent/releases/tag/2.2.0
• https://vuldb.com/cve/CVE-2026-108683
• https://vuldb.com/submit/958015
• https://vuldb.com/vuln/416391
• https://vuldb.com/vuln/416391/cti

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