Resource exhaustion in Zhayujie Cowagent
CVE-2026-108768
A vulnerability was identified in zhayujie CowAgent up to 2.2.0. Affected by this issue is the function json.loads of the component Streaming Tool-Call Argument Handler. The manipulation leads to allocation of resources. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
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 2.0, 2.1, 2.2.0
Weakness classification (CWE)
References
- vuldb.com/vuln/416550 (technical-description, vdb-entry)
- vuldb.com/vuln/416550/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108768 (third-party-advisory)
- vuldb.com/submit/958026 (third-party-advisory)
- github.com/lche511/cve/tree/main/CowAgent_Tool_Call_Arguments_JSON_Repair_DoS_R… (exploit)
Frequently asked questions
- What is CVE-2026-108768?
- CVE-2026-108768 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-2026-108768?
- Medium severity. CVSS v3 base score is 4.3 out of 10.