{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.3.12"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c7ae97fd24251ed0aaaa613e8251859f170f1ae7"
            },
            {
              "fixed": "c142b40590259360196d8e504b2193382529e7b4"
            }
          ],
          "repo": "https://github.com/kvcache-ai/mooncake",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104433.json"
  },
  "details": "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.",
  "id": "CVE-2026-104433",
  "modified": "2026-10-04T02:30:48.949175507Z",
  "published": "2026-10-02T23:28:44.691Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104433.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104433"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/mooncake-before-0.3.12-out-of-bounds-read-via-p2p-handshake-readstring"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/kvcache-ai/Mooncake/issues/4452"
    },
    {
      "type": "FIX",
      "url": "https://github.com/kvcache-ai/Mooncake/commit/c142b40590259360196d8e504b2193382529e7b4"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kvcache-ai/Mooncake"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Mooncake before 0.3.12 Out-of-Bounds Read via P2P Handshake readString"
}