CVE-2026-73894

{
  "id": "CVE-2026-73894",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-18T21:18:21.983",
  "lastModified": "2026-10-22T17:09:59.477",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server).  Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Helidon accessible data as well as  unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.3 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el producto Helidon de Oracle Fusion Middleware (componente: Servidor web imperativo). La versión compatible que está afectada es la 4.5.0. Vulnerabilidad fácilmente explotable permite a un atacante no autenticado con acceso a la red vía HTTP comprometer Helidon. Ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de actualización, inserción o eliminación a algunos de los datos accesibles de Helidon, así como acceso de lectura no autorizado a un subconjunto de los datos accesibles de Helidon y la capacidad no autorizada de causar una denegación de servicio parcial (DoS parcial) de Helidon. Puntuación base CVSS 3.1 de 7.3 (Impactos en la Confidencialidad, Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Helidon",
          "versions": [
            {
              "version": "4.0.0",
              "lessThanOrEqual": "4.4.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-19T12:28:55.286948Z",
          "id": "CVE-2026-73894",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:oracle:helidon:4.5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "3D1D0C21-90E7-4CB4-8110-476224BEB93B"
            }
          ]
        }
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    }
  ],
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cspuaug2026.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}