{"id":"CVE-2026-103765","published":"2026-10-02T00:16:59.663","lastModified":"2026-10-02T20:16:59.943","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.","cvssScore":9.4,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","cwes":["CWE-306"],"vendors":[],"products":[],"references":[{"url":"https://github.com/kvcache-ai/Mooncake","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/http_metadata_server.py#L61-L106","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4444","tags":[]},{"url":"https://www.vulncheck.com/advisories/mooncake-through-0.3.13-post1-missing-authentication-in-http-metadata-server","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4444","tags":[]}],"exploitRefs":[{"url":"https://github.com/kvcache-ai/Mooncake","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/blob/719735896c86b56fabec6cf3e825fb2ea640597a/mooncake-wheel/mooncake/http_metadata_server.py#L61-L106","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4444","tags":[]},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4444","tags":[]}],"hasPoc":true,"ai":{"summary":"Mooncake through 0.3.13.post1 has a missing authentication vulnerability that allows unauthenticated attackers to manipulate metadata, potentially leading to data poisoning or server memory exhaustion.","exploitability":"Exploitation is straightforward with no preconditions required, as the vulnerability allows unauthenticated access.","blast_radius":"If exploited, attackers could significantly impact the system by poisoning segment descriptors or exhausting server memory, leading to service disruption.","remediation":"Upgrade to Mooncake 0.3.13.post2 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","metadata-manipulation","memory-exhaustion"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-02T08:46:08.609Z"}}