CVE-2026-51785

{
  "id": "CVE-2026-51785",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-31T21:17:31.730",
  "lastModified": "2026-10-23T23:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in Hugo Leisink Hiawatha v.12.1 and before allows a remote attacker to execute arbitrary code via a crafted request"
    },
    {
      "lang": "es",
      "value": "Un problema en Hugo Leisink Hiawatha v.12.1 y versiones anteriores permite a un atacante remoto ejecutar código arbitrario a través de una solicitud especialmente diseñada."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-03T17:07:13.041392Z",
          "id": "CVE-2026-51785",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://fenrisk.com/hiawatha-http-smuggling",
      "source": "[email protected]"
    },
    {
      "url": "https://www.rfc-editor.org/rfc/rfc2616",
      "source": "[email protected]"
    },
    {
      "url": "https://www.rfc-editor.org/rfc/rfc2616.html#section-4.4",
      "source": "[email protected]"
    },
    {
      "url": "https://www.rfc-editor.org/rfc/rfc9112.html#section-6.3",
      "source": "[email protected]"
    },
    {
      "url": "https://fenrisk.com/hiawatha-http-smuggling",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}