{"id":"CVE-2026-103761","title":"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","summary":"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 not…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"vendor":"kvcache-ai","product":"Mooncake","affected":["Mooncake <= 0.3.13.post1"],"published":"2026-10-01","updated":"2026-10-06","sourceUpdated":"2026-10-06T03:16:58.860","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103761","references":[{"url":"https://github.com/kvcache-ai/Mooncake","label":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296","label":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4445","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-memory-exhaustion-via-unbounded-notify-queue","label":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4445","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-06T02:14:16.271694Z"},"epss":0.00464,"epssPercentile":0.40038,"ingestedAt":"2026-10-01T23:03:32.833Z","slug":"CVE-2026-103761","body":"## Overview\n\nMooncake 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":216166,"id":"CVE-2026-103761","ts":1791265675569,"field":"exploit_available","old":"false","new":"true"}]}