CVE-2026-73903

{
  "id": "CVE-2026-73903",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-18T21:18:23.000",
  "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 4.0.0-4.5.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Helidon accessible data. CVSS 3.1 Base Score 7.5 (Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el producto Helidon de Oracle Fusion Middleware (componente: Servidor Web Imperativo). La versión compatible que está afectada es 4.5.1. Vulnerabilidad fácilmente explotable permite a un atacante no autenticado con acceso de red vía HTTP comprometer Helidon. Ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de creación, eliminación o modificación a datos críticos o a todos los datos accesibles de Helidon. Puntuación Base CVSS 3.1 de 7.5 (Impactos en la integridad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Helidon",
          "versions": [
            {
              "version": "4.0.0",
              "lessThanOrEqual": "4.5.0",
              "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:N/I:H/A:N",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-19T14:24:10.495167Z",
          "id": "CVE-2026-73903",
          "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:4.5.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E261D3A2-E269-47E3-AB5A-F1C7E5A2B573"
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  ],
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cspuaug2026.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}