{
  "schemaVersion": 1,
  "site": "https://cveboard.org",
  "generatedAt": "2026-10-23T20:14:36.879Z",
  "lastRun": "2026-10-23T20:01:03.754Z",
  "liveDays": 14,
  "filters": {
    "kind": null,
    "exploited": false,
    "severity": null,
    "ecosystems": [],
    "tag": "hazelcast"
  },
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "incidents": [
    {
      "id": "cve-2026-107726",
      "url": "https://cveboard.org/i/cve-2026-107726",
      "urlPt": "https://cveboard.org/pt/i/cve-2026-107726",
      "json": "https://cveboard.org/i/cve-2026-107726.json",
      "kind": "vuln",
      "live": false,
      "knownExploited": false,
      "severity": "critical",
      "title": "Hazelcast allows arbitrary member memory access by low-privileged client",
      "summary": "A flaw has been found in Hazelcast Enterprise Edition and Community Edition, which would allow a low-privileged malicious client to read arbitrary data in memory from any cluster member (including Java heap memory, off-heap data, and JVM process address space).",
      "titlePt": "Hazelcast permite acesso à memória de membro arbitrário por cliente de baixo privilégio",
      "summaryPt": "Uma falha foi encontrada na Hazelcast Enterprise Edition e Community Edition, que permitiria a um cliente malicioso de baixo privilégio ler dados arbitrários na memória de qualquer membro do cluster (incluindo a memória do heap Java, dados fora do heap e o espaço de endereço do processo JVM).",
      "affected": [
        {
          "vendor": "hazelcast",
          "product": "hazelcast",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "< 5.4.5",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": null
            },
            {
              "version": ">= 5.5.0, < 5.5.10",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": null
            },
            {
              "version": ">= 5.6.0, < 5.6.1",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": null
            }
          ],
          "omitted": 0,
          "fixed": []
        }
      ],
      "omitted": 0,
      "references": [],
      "cwes": [
        {
          "id": "CWE-20",
          "name": "Improper Input Validation"
        }
      ],
      "ssvc": {
        "exploitation": "none",
        "automatable": "yes",
        "impact": "total",
        "at": "2026-10-09T15:07:22.266Z"
      },
      "fix": "listed",
      "tags": [
        "hazelcast",
        "maven"
      ],
      "cves": [
        "CVE-2026-107726"
      ],
      "ghsa": "GHSA-6v25-8wq6-xq4j",
      "cvss": {
        "score": 9.3,
        "version": "4.0",
        "by": "GitHub"
      },
      "epss": {
        "percentage": 0.00383,
        "percentile": 0.31208,
        "asOf": "2026-10-23",
        "by": "FIRST"
      },
      "packages": [
        {
          "ecosystem": "maven",
          "name": "com.hazelcast:hazelcast",
          "vulnerable": "= 5.6.0",
          "fixed": "5.7.0",
          "advisory": "GHSA-6v25-8wq6-xq4j"
        },
        {
          "ecosystem": "maven",
          "name": "com.hazelcast:hazelcast",
          "vulnerable": ">= 5.5.0, < 5.5.10",
          "fixed": "5.7.0",
          "advisory": "GHSA-6v25-8wq6-xq4j"
        },
        {
          "ecosystem": "maven",
          "name": "com.hazelcast:hazelcast",
          "vulnerable": "< 5.4.5",
          "fixed": "5.7.0",
          "advisory": "GHSA-6v25-8wq6-xq4j"
        }
      ],
      "vendor": "hazelcast",
      "product": "hazelcast",
      "kev": null,
      "breach": null,
      "retracted": false,
      "sources": [
        {
          "label": "GitHub Advisory Database",
          "url": "https://github.com/advisories/GHSA-6v25-8wq6-xq4j"
        }
      ],
      "publishedAt": "2026-10-08T22:10:29.000Z",
      "updatedAt": "2026-10-08T22:10:29.000Z"
    }
  ],
  "tag": {
    "tag": "hazelcast",
    "name": "hazelcast",
    "kev": null
  }
}