{"id":"CVE-2026-103765","revision":"3cbf72fe263d4943bd6582a7f9bfb935","records":[{"revision":"3cbf72fe263d4943bd6582a7f9bfb935","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103765","aliases":[],"title":"Mooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata Server","description":"Mooncake through 0.3.13.post1 contains a missing authentication vulnerability in the HTTP metadata server /metadata handler that allows unauthenticated attackers to read, overwrite, and delete transfer engine metadata keys. Attackers can poison segment descriptors such as tcp_data_port or re-create rpc_meta entries to redirect KV cache transfers to attacker-controlled listeners, or exhaust server memory.","state":0,"publishedAt":"2026-10-01T23:19:58.492+00:00","modifiedAt":"2026-10-02T19:47:34.672+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                            \"lessThanOrEqual\": \"0.3.13.post1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N","score":8.8,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","score":9.4,"severity":"CRITICAL"}],"references":["https://github.com/kvcache-ai/Mooncake/issues/4444","https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/http_metadata_server.py#L61-L106","https://github.com/kvcache-ai/Mooncake","https://www.vulncheck.com/advisories/mooncake-through-0.3.13-post1-missing-authentication-in-http-metadata-server"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103765","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103765","identifiers":["CVE-2026-103765"]},"retained":false,"historicalAffected":[]}],"coverage":[]}