{"id":"CVE-2026-104433","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-104433","generatedAt":"2026-10-28T02:20:47.564Z","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.","description":"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. 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.","published":"2026-10-03T00:16:35.000Z","lastModified":"2026-10-06T15:25:01.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":{"score":0.00464,"percentile":0.39962,"date":"2026-10-26","history":[{"date":"2026-10-03","score":0.00366,"percentile":0.28161}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-03T00:16:35.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-03T00:16:35.253Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://github.com/kvcache-ai/Mooncake","source":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/commit/c142b40590259360196d8e504b2193382529e7b4","source":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4452","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/mooncake-before-0.3.12-out-of-bounds-read-via-p2p-handshake-readstring","source":"disclosure@vulncheck.com"},{"url":"https://github.com/kvcache-ai/Mooncake/issues/4452","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-104433","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}