{"schema":"threatline.record/2","record":{"id":"CVE-2026-103765","aliases":[],"summary":"Mooncake through 0.3.13.post1 Missing Authentication in HTTP Metadata Server","details":"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.","categories":["Unclassified"],"product":"Mooncake","vendor":"kvcache-ai","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103765","source_modified_at":"2026-10-02T19:47:34.672Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Mooncake","vendor":"kvcache-ai","versions":[{"version":"0","lessThanOrEqual":"0.3.13.post1","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.005,"percentile":0.41948,"score_date":"2026-10-23"},"published_at":"2026-10-01T23:19:58.492Z","modified_at":"2026-10-02T19:47:34.672Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103765","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-02T19:47:34.672Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103765","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/4444","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/http_metadata_server.py#L61-L106","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-through-0.3.13-post1-missing-authentication-in-http-metadata-server","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":"total","assessed_at":"2026-10-02T19:47:07.630675Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-02T19:47:34.672Z","content_hash":"2441c46695adb7160bee9f4240c4f12313ee5bea256ab1f242fd198f6e2606a8"}}