cve-2026-87300

HIGH CVSS 8.7 fkie_nvd
Description

Vulnerability in the Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: WebLogic Server Proxy Plug-In for Third-Party Web Servers). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Weblogic Server Proxy Plug-in. While the vulnerability is in Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Weblogic Server Proxy Plug-in accessible data as well as unauthorized access to critical data or complete access to all Oracle Weblogic Server Proxy Plug-in accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N).

Timeline
Published
unknown
Last Modified
unknown
CVSS Details
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
Affected Products
  • oracle weblogic_server_proxy_plug-in
Weaknesses (CWE)
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 8.7 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N 2.2 5.8 secalert_us@oracle.com
CPE configurations
OR
CPE Version range Vulnerable
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:12.2.1.4.0:*:*:*:*:*:*:* — yes
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.1.0.0:*:*:*:*:*:*:* — yes
cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.2.0.0:*:*:*:*:*:*:* — yes
NVD metadata
NVD status
Analyzed
Source identifier
secalert_us@oracle.com
References
Linked Vulnerabilities

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Oracle Weblogic Server Proxy Plug-in",
          "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"
            }
          ]
        }
      ],
      "source": "secalert_us@oracle.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:12.2.1.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "5E29C004-51D7-4BBE-B28A-EE6B7B10F89F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.1.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "6E726C52-A697-4A3B-AA34-F88FF8FE5DEB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:oracle:weblogic_server_proxy_plug-in:14.1.2.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "A6C22A45-61D1-43D3-A187-993FBA4485F0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: WebLogic Server Proxy Plug-In for Third-Party Web Servers).  Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0 and  14.1.2.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Weblogic Server Proxy Plug-in.  While the vulnerability is in Oracle Weblogic Server Proxy Plug-in, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Weblogic Server Proxy Plug-in accessible data as well as  unauthorized access to critical data or complete access to all Oracle Weblogic Server Proxy Plug-in accessible data. CVSS 3.1 Base Score 8.7 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N)."
    }
  ],
  "id": "CVE-2026-87300",
  "lastModified": "2026-11-05T19:36:10.373",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.8,
        "source": "secalert_us@oracle.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-87300",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-27T19:14:10.293251Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-20T22:20:07.087",
  "references": [
    {
      "source": "secalert_us@oracle.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}
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