CVE-2026-103760 HIGH

CVE-2026-103760: Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write

Vendor Kvcache-Ai

Product Mooncake

Weakness CWE-400

Published October 1, 2026

Last update October 2, 2026

View on NVD All CVEs

CVSS base score

8.2/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality —

Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Mooncake transfer engine through 0.3.13.post1 contains a denial of service vulnerability that allows unauthenticated remote attackers to block the handshake daemon by never reading replies. Attackers can send a Metadata request to the handshake RPC port and stall SocketHandShakePlugin's single listener thread in writeFully(), breaking all subsequent handshakes, metadata fetches, notify and probe requests.

Key dates

02Disclosure timeline

October 1, 2026 CVE published

October 2, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-103760 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/400.html AskarLabs — CWE-400 write-up Uncontrolled Resource Consumption

Related vulnerabilities

CVE-2026-103760: Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write

01Description

02Disclosure timeline

03References

04Related CVE