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Attackers can repeatedly send notify frames up to 1 MB to the handshake RPC port, filling the uncapped notifys vector until the out-of-memory killer terminates the engine.","state":0,"publishedAt":"2026-10-01T22:53:06.016+00:00","modifiedAt":"2026-10-06T02:14:50.556+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:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/kvcache-ai/Mooncake/issues/4445","https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296","https://github.com/kvcache-ai/Mooncake","https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-memory-exhaustion-via-unbounded-notify-queue"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103761","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103761","identifiers":["CVE-2026-103761"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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