{
  "schemaVersion": 1,
  "site": "https://cveboard.org",
  "generatedAt": "2026-10-30T04:28:32.546Z",
  "lastRun": "2026-10-30T04:01:08.095Z",
  "liveDays": 14,
  "filters": {
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    "exploited": false,
    "severity": null,
    "ecosystems": [],
    "tag": "curl"
  },
  "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-2026-87866",
      "url": "https://cveboard.org/i/cve-2026-87866",
      "urlPt": "https://cveboard.org/pt/i/cve-2026-87866",
      "json": "https://cveboard.org/i/cve-2026-87866.json",
      "kind": "vuln",
      "live": true,
      "knownExploited": false,
      "severity": "critical",
      "title": "curl curl",
      "summary": "When built with wolfSSL, curl can successfully validate a pinned public key hash against a key the TLS peer does not possess.",
      "titlePt": "curl curl",
      "summaryPt": "Quando construído com wolfSSL, o curl pode validar com sucesso um hash de chave pública fixa contra uma chave que o par TLS não possui.",
      "affected": [
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
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              "version": "8.22.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.22.0"
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              "lessThanOrEqual": "8.15.0"
            },
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              "lessThanOrEqual": "8.14.1"
            },
            {
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              "status": "affected",
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              "lessThanOrEqual": "8.14.0"
            },
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              "status": "affected",
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              "lessThanOrEqual": "8.13.0"
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              "lessThanOrEqual": "8.12.1"
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              "status": "affected",
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              "lessThanOrEqual": "8.12.0"
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              "version": "8.11.1",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.11.1"
            },
            {
              "version": "8.11.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.11.0"
            },
            {
              "version": "8.10.1",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.10.1"
            },
            {
              "version": "8.10.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.10.0"
            },
            {
              "version": "8.9.1",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.9.1"
            },
            {
              "version": "8.9.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.9.0"
            },
            {
              "version": "8.8.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.8.0"
            },
            {
              "version": "8.7.1",
              "status": "affected",
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              "lessThanOrEqual": "8.7.1"
            },
            {
              "version": "8.7.0",
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              "lessThan": null,
              "lessThanOrEqual": "8.7.0"
            },
            {
              "version": "8.6.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.6.0"
            },
            {
              "version": "8.5.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.5.0"
            },
            {
              "version": "8.4.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.4.0"
            },
            {
              "version": "8.3.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.3.0"
            },
            {
              "version": "8.2.1",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.2.1"
            },
            {
              "version": "8.2.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.2.0"
            },
            {
              "version": "8.1.2",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.1.2"
            },
            {
              "version": "8.1.1",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.1.1"
            }
          ],
          "omitted": 70,
          "fixed": []
        }
      ],
      "omitted": 70,
      "references": [
        {
          "url": "https://hackerone.com/reports/3989514",
          "tag": "exploit"
        }
      ],
      "cwes": [
        {
          "id": "CWE-295",
          "name": "Improper Certificate Validation"
        }
      ],
      "ssvc": {
        "exploitation": "poc",
        "automatable": "yes",
        "impact": "total",
        "at": "2026-10-29T18:58:30.759Z"
      },
      "fix": "none",
      "tags": [
        "curl"
      ],
      "description": "When built with wolfSSL, curl can successfully validate a pinned public key\nhash against a key the TLS peer does not possess. During the TLS handshake,\nwolfSSL validates the connection, but curl's subsequent re-parsing of the same\ncertificate - tricked by a manipulated validity length field - extracts and\nmatches a different embedded key, incorrectly authorizing the pinned public\nkey.",
      "descriptionFrom": "cve",
      "descriptionAt": null,
      "summaryFrom": "cve",
      "cves": [
        "CVE-2026-87866"
      ],
      "ghsa": null,
      "cvss": {
        "score": 9.1,
        "version": "3.1",
        "by": "CISA-ADP"
      },
      "epss": {
        "percentage": 0.00208,
        "percentile": 0.10917,
        "asOf": "2026-10-29",
        "by": "FIRST"
      },
      "packages": [],
      "vendor": "curl",
      "product": "curl",
      "kev": null,
      "breach": null,
      "retracted": false,
      "sources": [
        {
          "label": "cve.now",
          "url": "https://cve.now/CVE-2026-87866"
        }
      ],
      "cveVersion": 1,
      "cvePending": false,
      "publishedAt": "2026-10-20T20:16:30.866Z",
      "updatedAt": "2026-10-20T20:16:30.866Z"
    },
    {
      "id": "cve-2026-86411",
      "url": "https://cveboard.org/i/cve-2026-86411",
      "urlPt": "https://cveboard.org/pt/i/cve-2026-86411",
      "json": "https://cveboard.org/i/cve-2026-86411.json",
      "kind": "vuln",
      "live": true,
      "knownExploited": false,
      "severity": "critical",
      "title": "curl curl",
      "summary": "An `ftp://` transfer configured with `CURLUSESSL_NONE` can reuse a pooled FTP control connection that a previous easy handle upgraded with `STARTTLS` and authenticated using a client certificate.",
      "titlePt": "curl curl",
      "summaryPt": "Uma transferência `ftp://` configurada com `CURLUSESSL_NONE` pode reutilizar uma conexão de controle FTP em pool que um manipulador fácil anterior atualizou com `STARTTLS` e autenticou usando um certificado de cliente.",
      "affected": [
        {
          "vendor": "curl",
          "product": "curl",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "8.21.0",
              "status": "affected",
              "lessThan": null,
              "lessThanOrEqual": "8.21.0"
            }
          ],
          "omitted": 0,
          "fixed": []
        }
      ],
      "omitted": 0,
      "references": [
        {
          "url": "https://hackerone.com/reports/3973190",
          "tag": "exploit"
        }
      ],
      "cwes": [
        {
          "id": "CWE-488",
          "name": "Exposure of Data Element to Wrong Session"
        }
      ],
      "ssvc": {
        "exploitation": "poc",
        "automatable": "no",
        "impact": "total",
        "at": "2026-10-29T18:41:51.847Z"
      },
      "fix": "none",
      "tags": [
        "curl"
      ],
      "description": "An `ftp://` transfer configured with `CURLUSESSL_NONE` can reuse a pooled FTP\ncontrol connection that a previous easy handle upgraded with `STARTTLS` and\nauthenticated using a client certificate. The second handle performs neither a\nnew TLS handshake nor a new FTP login, so the server continues to authorize it\nunder the first handle's certificate identity.",
      "descriptionFrom": "cve",
      "descriptionAt": null,
      "summaryFrom": "cve",
      "cves": [
        "CVE-2026-86411"
      ],
      "ghsa": null,
      "cvss": {
        "score": 9.1,
        "version": "3.1",
        "by": "CISA-ADP"
      },
      "epss": {
        "percentage": 0.00153,
        "percentile": 0.04389,
        "asOf": "2026-10-29",
        "by": "FIRST"
      },
      "packages": [],
      "vendor": "curl",
      "product": "curl",
      "kev": null,
      "breach": null,
      "retracted": false,
      "sources": [
        {
          "label": "cve.now",
          "url": "https://cve.now/CVE-2026-86411"
        }
      ],
      "cveVersion": 1,
      "cvePending": false,
      "publishedAt": "2026-10-20T20:02:03.431Z",
      "updatedAt": "2026-10-20T20:02:03.431Z"
    }
  ],
  "tag": {
    "tag": "curl",
    "name": "curl",
    "kev": null
  }
}