CVE-2026-103760

Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write

Published Oct 1, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Kvcache-ai
Kvcache-ai mooncake
Vendors & Products Kvcache-ai
Kvcache-ai mooncake
Type Values Removed Values Added
Description 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.
Title Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write
Weaknesses CWE-400
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.2, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 2, 2026, 3:50 PM
Reserved
Oct 1, 2026, 10:39 AM
Status
Deferred
Published
Oct 1, 2026, 11:16 PM
Modified
Oct 2, 2026, 6:00 PM