CVE-2026-91320

{
  "id": "CVE-2026-91320",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-20T22:20:33.987",
  "lastModified": "2026-10-28T19:19:20.027",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle JDeveloper product of Oracle Fusion Middleware (component: Oracle JDeveloper).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle JDeveloper executes to compromise Oracle JDeveloper.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle JDeveloper accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle JDeveloper. CVSS 3.1 Base Score 5.7 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "Oracle JDeveloper",
          "versions": [
            {
              "version": "12.2.1.4.0",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "14.1.2.0.0",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 0.5,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-28T18:11:44.918671Z",
          "id": "CVE-2026-91320",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
      "source": "[email protected]"
    }
  ]
}