cve-2026-91652

MEDIUM CVSS 5.0 nvd
Description

Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase. While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).

Timeline
Published
2026-10-20
Last Modified
2026-10-27
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
Affected Products
  • oracle essbase
Weaknesses (CWE)
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
3.1 5.0 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N 3.1 1.4 secalert_us@oracle.com
CPE configurations
OR
CPE Version range Vulnerable
cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:* — yes
NVD metadata
NVD status
Modified
Source identifier
secalert_us@oracle.com
References
Linked Vulnerabilities

{
  "cvss": 5.0,
  "datePublished": "2026-10-20T22:21:05.463",
  "dateUpdated": "2026-10-27T14:17:05.210",
  "description": "Vulnerability in Oracle Essbase (component: Security).   The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase.  While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.0 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).",
  "id": "CVE-2026-91652",
  "raw": {
    "affected": [
      {
        "affectedData": [
          {
            "product": "Oracle Essbase",
            "vendor": "Oracle Corporation",
            "versions": [
              {
                "status": "affected",
                "version": "21.8.3.0.0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "source": "secalert_us@oracle.com"
      }
    ],
    "configurations": [
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            "cpeMatch": [
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                "criteria": "cpe:2.3:a:oracle:essbase:21.8.3.0.0:*:*:*:*:*:*:*",
                "matchCriteriaId": "C007BCDF-F9BB-4D55-9B27-4A0997882337",
                "vulnerable": true
              }
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            "negate": false,
            "operator": "OR"
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    ],
    "cveTags": [],
    "descriptions": [
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        "value": "Vulnerability in Oracle Essbase (component: Security).   The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Essbase.  While the vulnerability is in Oracle Essbase, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Essbase accessible data. CVSS 3.1 Base Score 5.0 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N)."
      }
    ],
    "id": "CVE-2026-91652",
    "lastModified": "2026-10-27T14:17:05.210",
    "metrics": {
      "cvssMetricV31": [
        {
          "cvssData": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
            "version": "3.1"
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          "exploitabilityScore": 3.1,
          "impactScore": 1.4,
          "source": "secalert_us@oracle.com",
          "type": "Secondary"
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      "ssvcV203": [
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          "ssvcData": {
            "id": "CVE-2026-91652",
            "options": [
              {
                "exploitation": "none"
              },
              {
                "automatable": "no"
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              {
                "technicalImpact": "partial"
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            ],
            "role": "CISA Coordinator",
            "timestamp": "2026-10-27T13:12:31.090584Z",
            "version": "2.0.3"
          }
        }
      ]
    },
    "published": "2026-10-20T22:21:05.463",
    "references": [
      {
        "source": "secalert_us@oracle.com",
        "tags": [
          "Vendor Advisory"
        ],
        "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"
      }
    ],
    "sourceIdentifier": "secalert_us@oracle.com",
    "vulnStatus": "Modified",
    "weaknesses": [
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        "description": [
          {
            "lang": "en",
            "value": "NVD-CWE-noinfo"
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        "source": "nvd@nist.gov",
        "type": "Primary"
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      {
        "description": [
          {
            "lang": "en",
            "value": "CWE-200"
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "severity": "MEDIUM",
  "source": "nvd",
  "title": "Vulnerability in Oracle Essbase (component: Security)"
}
Enrichment data
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