Resource Allocation Vulnerability in kvcache-ai Mooncake by Kvcache.ai
CVE-2026-96764

5.3MEDIUM

Key Information:

Vendor

Kvcache-ai

Status
Mooncake
Vendor
CVE Published:
24 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-96764?

A vulnerability has been discovered in the kvcache-ai mooncake product, specifically in the MasterService::GetReplicaListByRegex function, part of the Regular Expression Handler component. This weakness allows attackers to manipulate the application to allocate excessive resources, potentially leading to Denial of Service conditions. The exploitation of this vulnerability can be executed remotely, making it particularly concerning for users. The exploit details have been publicly shared, highlighting the urgent need for system updates and mitigations. Despite early disclosure attempts to the vendor, no response was received, increasing the risk of exploitation.

Affected Version(s)

mooncake 0.3.0

mooncake 0.3.1

mooncake 0.3.2

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-2026-96764 - Proof of Concept

References

https://vuldb.com/vuln/409019
vdb-entrytechnical-description
https://vuldb.com/vuln/409019/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-96764
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

YYYMK (VulDB User)
VulDB CNA Team
.