Resource exhaustion in Zhayujie Cowagent
CVE-2026-108683
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.
Vulnerability class: DoS (Denial of Service)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Zhayujie Cowagent — versions 2.1.0, 2.1.1, 2.1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/416391 (vdb-entry)
- vuldb.com/vuln/416391/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108683 (third-party-advisory)
- vuldb.com/submit/958015 (third-party-advisory)
- github.com/lche511/cve/tree/main/CowAgent_Channel_Media_Download_DoS_Report (exploit)
- github.com/zhayujie/CowAgent/commit/b7967210268fc4c0afea1078223e74e7e96a8a54 (patch)
- github.com/zhayujie/CowAgent/releases/tag/2.2.0 (patch)
- github.com/zhayujie/CowAgent/ (product)
Frequently asked questions
- What is CVE-2026-108683?
- CVE-2026-108683 is a medium-severity vulnerability in Zhayujie Cowagent, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-10-11.
- How severe is CVE-2026-108683?
- Medium severity. CVSS v3 base score is 4.3 out of 10.