Resource exhaustion in Kvcache-Ai Mooncake
CVE-2026-96764
A weakness has been identified in kvcache-ai mooncake up to 0.3.12/0.3.14-rc1. Impacted is the function MasterService::GetReplicaListByRegex of the component Regular Expression Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
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
EPSS: 0.003 (19.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Kvcache-Ai Mooncake — versions 0.3.0, 0.3.1, 0.3.10
Weakness classification (CWE)
References
- vuldb.com/vuln/409019 (technical-description, vdb-entry)
- vuldb.com/vuln/409019/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-96764 (third-party-advisory)
- vuldb.com/submit/904607 (third-party-advisory)
- gist.github.com/yyymk/4699cc95ab9a559ee15a0fb798bd6c5d (exploit)
Frequently asked questions
- What is CVE-2026-96764?
- CVE-2026-96764 is a medium-severity vulnerability in Kvcache-Ai Mooncake, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-09-24.
- How severe is CVE-2026-96764?
- Medium severity. CVSS v3 base score is 4.3 out of 10.