CVE-2026-91323
Full vulnerability record from the local CVENow database.
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 takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Severity
CRITICAL
CVSS score
9.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-10-20 22:20:34.323000
Last modified
2026-11-10 14:44:06.587000
View original CVE JSON
{
"id": "CVE-2026-91323",
"sourceIdentifier": "[email protected]",
"published": "2026-10-20T22:20:34.323",
"lastModified": "2026-11-10T14:44:06.587",
"vulnStatus": "Analyzed",
"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 takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Oracle Corporation",
"product": "Oracle WebLogic Server",
"versions": [
{
"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",
"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:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-26T00:00:00+00:00",
"id": "CVE-2026-91323",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-287"
},
{
"lang": "en",
"value": "CWE-306"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "4A5BB153-68E0-4DDA-87D1-0D9AB7F0A418"
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"matchCriteriaId": "0FCA3D99-4596-4CF0-B5E1-7A6497F83B83"
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{
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"matchCriteriaId": "F538D9B4-B101-4182-8C69-F30B183DD3A2"
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],
"references": [
{
"url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}