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CVE-2026-24398

Estado: AnalizadaMedia (6.5)—

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, IP Restriction Middleware in Hono is vulnerable to an IP address validation bypass. The `IPV4_REGEX` pattern and `convertIPv4ToBinary` function in `src/utils/ipaddr.ts` do not properly validate that IPv4 octet values are within the valid range of 0-255, allowing attackers to craft malformed IP addresses that bypass IP-based access controls. Version 4.11.7 contains a patch for 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)

Hono — Hono

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-24398",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-24398",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-27T19:18:50.922446Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.2
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
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          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
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          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "confidentialityImpact": "LOW"
        },
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  "published": "2026-01-27T19:16:16.363",
  "references": [
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      "url": "https://github.com/honojs/hono/commit/edbf6eea8e6c26a3937518d4ed91d8666edeec37",
      "tags": [
        "Patch"
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      "url": "https://github.com/honojs/hono/releases/tag/v4.11.7",
      "tags": [
        "Release Notes"
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      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/honojs/hono/security/advisories/GHSA-r354-f388-2fhh",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-185"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Hono is a Web application framework that provides support for any JavaScript runtime. Prior to version 4.11.7, IP Restriction Middleware in Hono is vulnerable to an IP address validation bypass. The `IPV4_REGEX` pattern and `convertIPv4ToBinary` function in `src/utils/ipaddr.ts` do not properly validate that IPv4 octet values are within the valid range of 0-255, allowing attackers to craft malformed IP addresses that bypass IP-based access controls. Version 4.11.7 contains a patch for the issue."
    },
    {
      "lang": "es",
      "value": "Hono es un framework de aplicación web que proporciona soporte para cualquier entorno de ejecución de JavaScript. Antes de la versión 4.11.7, el Middleware de Restricción de IP en Hono es vulnerable a una omisión de validación de dirección IP. El patrón 'IPV4_REGEX' y la función 'convertIPv4ToBinary' en 'src/utils/ipaddr.ts' no validan correctamente que los valores de octeto IPv4 estén dentro del rango válido de 0-255, permitiendo a los atacantes crear direcciones IP malformadas que eluden los controles de acceso basados en IP. La versión 4.11.7 contiene un parche para el problema."
    }
  ],
  "lastModified": "2026-06-17T10:23:00.350",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
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              "versionEndExcluding": "4.11.7"
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          "operator": "OR"
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}