cve-2026-87302
CRITICAL CVSS 9.1 fkie_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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Timeline
- Published
- unknown
- Last Modified
- unknown
CVSS Details
- Attack Vector
- NETWORK
- Attack Complexity
- LOW
- Privileges Required
- NONE
Affected Products
- oracle weblogic_server
CVSS metrics
| Version | Base | Severity | Vector | Exploitability | Impact | Source |
|---|---|---|---|---|---|---|
| 3.1 | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9 | 5.2 | secalert_us@oracle.com |
CPE configurations
OR
| CPE | Version range | Vulnerable |
|---|---|---|
cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:* |
— | yes |
cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:* |
— | yes |
cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:*:*:*:*:*:*:* |
— | yes |
cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:*:*:*:*:*:*:* |
— | yes |
NVD metadata
- NVD status
- Analyzed
- Source identifier
secalert_us@oracle.com
References
- https://www.oracle.com/security-alerts/cpuoct2026.html Vendor Advisory
Linked Vulnerabilities
{
"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"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "4A5BB153-68E0-4DDA-87D1-0D9AB7F0A418",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "04BCDC24-4A21-473C-8733-0D9CFB38A752",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "0FCA3D99-4596-4CF0-B5E1-7A6497F83B83",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:*:*:*:*:*:*:*",
"matchCriteriaId": "F538D9B4-B101-4182-8C69-F30B183DD3A2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)."
}
],
"id": "CVE-2026-87302",
"lastModified": "2026-11-05T19:35:48.850",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.2,
"source": "secalert_us@oracle.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-87302",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-10-26T00:00:00+00:00",
"version": "2.0.3"
}
}
]
},
"published": "2026-10-20T22:20:07.320",
"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-287"
},
{
"lang": "en",
"value": "CWE-306"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}