{"id":"CVE-2026-104433","title":"Mooncake transfer engine before 0.3.12 contains an out-of-bounds read vulnerability in the readString function of include/common.h that allows unauthenticated attackers to crash the service by sending a zero-length handshake frame","summary":"Mooncake transfer engine before 0.3.12 contains an out-of-bounds read vulnerability in the readString function of include/common.h that allows unauthenticated attackers to crash the service by sending a zero-length handshake frame. Attac…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-125"],"vendor":"kvcache-ai","product":"Mooncake","affected":["Mooncake < 0.3.12"],"published":"2026-10-03","updated":"2026-10-06","sourceUpdated":"2026-10-06T15:25:00.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104433","references":[{"url":"https://github.com/kvcache-ai/Mooncake","label":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/commit/c142b40590259360196d8e504b2193382529e7b4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4452","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/mooncake-before-0.3.12-out-of-bounds-read-via-p2p-handshake-readstring","label":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4452","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00464,"epssPercentile":0.40039,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-05T16:07:22.613167Z"},"ingestedAt":"2026-10-02T23:34:57.408Z","slug":"CVE-2026-104433","body":"## Overview\n\nMooncake transfer engine before 0.3.12 contains an out-of-bounds read vulnerability in the readString function of include/common.h that allows unauthenticated attackers to crash the service by sending a zero-length handshake frame. Attackers can connect to the handshake port listening on all interfaces and send an eight-byte frame to terminate the hosting process, such as an SGLang inference server.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":215901,"id":"CVE-2026-104433","ts":1791217627784,"field":"exploit_available","old":"false","new":"true"}]}