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CVE-2026-26282

Estado: AnalizadaMedia (5.2)—

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.

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)

M2team — Nanazip

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-26282",
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          "id": "CVE-2026-26282",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-02-20T20:02:04.332187Z"
        }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H",
          "integrityImpact": "NONE",
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          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
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        "exploitabilityScore": 1.3
      }
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    "cvssMetricV40": [
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        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "published": "2026-02-19T21:18:31.500",
  "references": [
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      "url": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c",
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        "Third Party Advisory"
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    {
      "url": "https://github.com/user-attachments/files/25274143/poc.exe.zip",
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
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          "value": "CWE-126"
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  ],
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      "lang": "en",
      "value": "NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue."
    },
    {
      "lang": "es",
      "value": "NanaZip es un archivador de ficheros, de código abierto. A partir de la versión 5.0.1252.0 y antes de la versión 6.0.1630.0, NanaZip tiene una lectura del montón fuera de límites en el analizador de encabezados de paquetes de 'archivo único .NET' debido a la falta de verificación de límites. Abrir un archivo manipulado con NanaZip provoca un bloqueo o filtrado datos del montón al usuario. La versión 6.0.1630.0 corrige el problema."
    }
  ],
  "lastModified": "2026-06-17T10:26:02.380",
  "configurations": [
    {
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        {
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          "operator": "OR"
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