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{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000100.html",
  "dc:date": "2026-07-21T14:02+09:00",
  "dcterms:issued": "2026-07-21T14:02+09:00",
  "dcterms:modified": "2026-07-21T14:02+09:00",
  "description": "For certain FeliCa IC chips shipped by Sony Corporation in or before 2017, a certain operation during cryptographic processing may compromise the intended security strength.\u003ca href=\u0027https://cwe.mitre.org/data/definitions/325.html\u0027 target=\u0027_blank\u0027\u003e\u003c/a\u003e\u003cul\u003e\u003cli\u003eMissing cryptographic step (CWE-325) - CVE-2026-59776\u003c/li\u003e\u003c/ul\u003eKIRISHIKI Yudai of Unknown Technologies Inc. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2026/JVNDB-2026-000100.html",
  "sec:cpe": {
    "#text": "cpe:/h:sony:felica_ic_chips",
    "@product": "Certain FeliCa IC chips shipped in or before 2017",
    "@vendor": "Sony Corporation",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "6.8",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2026-000100",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN40509781/index.html",
      "@id": "JVN#40509781",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2026-59776",
      "@id": "CVE-2026-59776",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Vulnerability in certain IC chips of contactless IC card \"FeliCa\""
}