{"id":"CVE-2026-103761","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-103761","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.","published":"2026-10-01T22:53:06.016Z","modified":"2026-10-02T11:45:22.937096625Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103761.json"},{"type":"PACKAGE","url":"https://github.com/kvcache-ai/Mooncake"},{"type":"ARTICLE","url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-transfer-engine/src/transfer_metadata.cpp#L285-L296"},{"type":"REPORT","url":"https://github.com/kvcache-ai/Mooncake/issues/4445"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103761"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/mooncake-transfer-engine-through-0.3.13-post1-memory-exhaustion-via-unbounded-notify-queue"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-02T11:45:22.937096625Z"}}