{"id":"CVE-2026-103760","revision":"abb9d09e1e9747b49ba721cc80d1c8e7","records":[{"revision":"abb9d09e1e9747b49ba721cc80d1c8e7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103760","aliases":[],"title":"Mooncake transfer engine through 0.3.13.post1 Denial of Service via P2P Handshake Daemon Response Write","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.","state":0,"publishedAt":"2026-10-01T22:53:05.201+00:00","modifiedAt":"2026-10-02T15:50:58.31+00:00","affected":[{"ecosystem":"Vendor product","name":"Mooncake","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"kvcache-ai\",\n                    \"product\": \"Mooncake\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/mooncake-transfer-engine\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"0.3.13.post1\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/kvcache-ai/Mooncake/issues/4443","https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata_plugin.cpp#L730-L803","https://github.com/kvcache-ai/Mooncake","https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-denial-of-service-via-p2p-handshake-daemon-response-write"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103760","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103760","identifiers":["CVE-2026-103760"]},"retained":false,"historicalAffected":[]}],"coverage":[]}