cve-2026-91502

HIGH CVSS 7.3 nvd
Description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data as well as unauthorized read access to a subset of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. 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).

Timeline
Published
2026-10-20
Last Modified
2026-10-24
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Affected Products

No product information available.

Weaknesses (CWE)
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 7.3 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L 3.9 3.4 secalert_us@oracle.com
NVD metadata
NVD status
Undergoing Analysis
Source identifier
secalert_us@oracle.com
References
Linked Vulnerabilities

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  "cvss": 7.3,
  "datePublished": "2026-10-20T22:20:54.670",
  "dateUpdated": "2026-10-24T04:18:26.860",
  "description": "Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and  15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data as well as  unauthorized read access to a subset of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. 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).",
  "id": "CVE-2026-91502",
  "raw": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Oracle WebLogic Server",
            "vendor": "Oracle Corporation",
            "versions": [
              {
                "status": "affected",
                "version": "12.2.1.4.0",
                "versionType": "semver"
              },
              {
                "status": "affected",
                "version": "14.1.1.0.0",
                "versionType": "semver"
              },
              {
                "status": "affected",
                "version": "14.1.2.0.0",
                "versionType": "semver"
              },
              {
                "status": "affected",
                "version": "15.1.1.0.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "secalert_us@oracle.com"
      }
    ],
    "cveTags": [],
    "descriptions": [
      {
        "lang": "en",
        "value": "Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and  15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data as well as  unauthorized read access to a subset of Oracle WebLogic Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle WebLogic Server. 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)."
      }
    ],
    "id": "CVE-2026-91502",
    "lastModified": "2026-10-24T04:18:26.860",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.4,
          "source": "secalert_us@oracle.com",
          "type": "Secondary"
        }
      ],
      "ssvcV203": [
        {
          "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "ssvcData": {
            "id": "CVE-2026-91502",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "yes"
              },
              {
                "technicalImpact": "partial"
              }
            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-24T03:39:45.566198Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-20T22:20:54.670",
    "references": [
      {
        "source": "secalert_us@oracle.com",
        "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"
      }
    ],
    "sourceIdentifier": "secalert_us@oracle.com",
    "vulnStatus": "Undergoing Analysis",
    "weaknesses": [
      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-306"
          }
        ],
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "severity": "HIGH",
  "source": "nvd",
  "title": "Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)"
}
Enrichment data
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