{"schema":"threatline.record/2","record":{"id":"CVE-2026-103761","aliases":[],"summary":"Mooncake transfer engine through 0.3.13.post1 Memory Exhaustion via Unbounded Notify Queue","details":"Mooncake transfer engine through 0.3.13.post1 contains a memory exhaustion vulnerability in TransferMetadata::receivePeerNotify that allows unauthenticated attackers to grow process memory without limit. 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.","categories":["Unclassified"],"product":"Mooncake","vendor":"kvcache-ai","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103761","source_modified_at":"2026-10-06T02:14:50.556Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Mooncake","vendor":"kvcache-ai","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"0.3.13.post1"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00366,"percentile":0.29294,"score_date":"2026-10-23"},"published_at":"2026-10-01T22:53:06.016Z","modified_at":"2026-10-06T02:14:50.556Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103761","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-06T02:14:50.556Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103761","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/kvcache-ai/Mooncake/issues/4445","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/kvcache-ai/Mooncake","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-memory-exhaustion-via-unbounded-notify-queue","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-06T02:14:16.271694Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-06T02:14:50.556Z","content_hash":"9ad3fad8a1bec3e14bc0c0b15cb9363fc066f0d1e2acaa9c3210d53bc799dddf"}}