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CVE-2026-3665

Estado: AnalizadaBaja (1.9)—

A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Xlnt-community — Xlnt

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-3665",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2026-3665",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
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          "version": "2.0.3",
          "timestamp": "2026-03-11T16:14:26.493656Z"
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        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    ],
    "cvssMetricV31": [
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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  "published": "2026-03-07T16:15:56.583",
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      "url": "https://github.com/xlnt-community/xlnt/issues/140",
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        "Issue Tracking",
        "Vendor Advisory"
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      "tags": [
        "Permissions Required",
        "VDB Entry"
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      "source": "cna@vuldb.com"
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      "tags": [
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      "source": "cna@vuldb.com"
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      "tags": [
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        "VDB Entry"
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  "weaknesses": [
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      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
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          "lang": "en",
          "value": "CWE-404"
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        {
          "lang": "en",
          "value": "CWE-476"
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      "value": "A vulnerability was identified in xlnt-community xlnt up to 1.6.1. The affected element is the function xlnt::detail::xlsx_consumer::read_office_document of the file source/detail/serialization/xlsx_consumer.cpp of the component XLSX File Parser. The manipulation leads to null pointer dereference. The attack must be carried out locally. The exploit is publicly available and might be used."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad fue identificada en xlnt-community xlnt hasta 1.6.1. El elemento afectado es la función xlnt::detail::xlsx_consumer::read_office_document del archivo source/detail/serialization/xlsx_consumer.cpp del componente Analizador de Archivos XLSX. La manipulación conduce a desreferencia de puntero nulo. El ataque debe llevarse a cabo localmente. El exploit está disponible públicamente y podría ser utilizado."
    }
  ],
  "lastModified": "2026-06-17T10:43:56.653",
  "configurations": [
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}