{"id":"CVE-2026-103760","published":"2026-10-01T23:16:46.817","lastModified":"2026-10-02T18:00:34.733","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.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-400"],"vendors":[],"products":[],"references":[{"url":"https://github.com/kvcache-ai/Mooncake","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata_plugin.cpp#L730-L803","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4443","tags":[]},{"url":"https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-denial-of-service-via-p2p-handshake-daemon-response-write","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4443","tags":[]}],"exploitRefs":[{"url":"https://github.com/kvcache-ai/Mooncake","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata_plugin.cpp#L730-L803","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4443","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4443","tags":[]}],"hasPoc":true,"ai":null}