{"id":"CVE-2026-103765","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.","modified":"2026-10-04T02:30:36.458129255Z","published":"2026-10-01T23:19:58.492Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103765.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103765.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103765"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/mooncake-through-0.3.13-post1-missing-authentication-in-http-metadata-server"},{"type":"REPORT","url":"https://github.com/kvcache-ai/Mooncake/issues/4444"},{"type":"PACKAGE","url":"https://github.com/kvcache-ai/Mooncake"},{"type":"ARTICLE","url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/http_metadata_server.py#L61-L106"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kvcache-ai/mooncake","events":[{"introduced":"0"},{"fixed":"719735896c86b56fabec6cf3e825fb2ea640597a"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"last_affected":"0.3.13.post1"},{"fixed":"0.3.13.post1"}]}}],"versions":["v0.3.13-rc2","v0.3.13-rc1","v0.3.13","v0.3.12.post1","v0.3.11-rc1","v0.3.11.post1","v0.3.11","v0.3.10.post2","v0.3.10.post1","v0.3.10","v0.3.9","v0.3.8.post1","v0.3.8","v0.3.7.post2","v0.3.7.post1","v0.3.7","v0.3.6.post1","v0.3.6","v0.3.5","v0.3.4.post2","v0.3.4.post1","v0.3.4","v0.3.3.post2","v0.3.3.post1","v0.3.3","v0.3.2.post1","v0.3.2","v0.3.1","v0.3.0","v0.3.0-beta","v0.3.0-alpha","v0.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103765.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}