{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-91563",
        "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "state": "PUBLISHED",
        "assignerShortName": "oracle",
        "dateReserved": "2026-09-14T22:10:16.644Z",
        "datePublished": "2026-10-20T21:26:32.325Z",
        "dateUpdated": "2026-10-26T20:25:27.681Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
                "shortName": "oracle",
                "dateUpdated": "2026-10-20T21:26:32.325Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en-US",
                            "description": "Easily exploitable vulnerability allows low privileged attacker having DBMS_AW privilege with network access via Oracle Net to compromise Oracle OLAP.  Successful attacks of this vulnerability can result in takeover of Oracle OLAP."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Oracle Corporation",
                    "product": "Oracle OLAP",
                    "versions": [
                        {
                            "version": "19.3",
                            "status": "affected",
                            "lessThanOrEqual": "19.32",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.3",
                            "status": "affected",
                            "lessThanOrEqual": "21.23",
                            "versionType": "custom"
                        },
                        {
                            "version": "23.4.0",
                            "status": "affected",
                            "lessThanOrEqual": "23.26.3",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:olap:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "19.3",
                                    "versionEndIncluding": "19.32"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:olap:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "21.3",
                                    "versionEndIncluding": "21.23"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:olap:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "23.4.0",
                                    "versionEndIncluding": "23.26.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en-US",
                    "value": "Vulnerability in the Oracle OLAP component of Oracle Database Server.  Supported versions that are affected are 19.3-19.32, 21.3-21.23 and  23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having DBMS_AW privilege with network access via Oracle Net to compromise Oracle OLAP.  Successful attacks of this vulnerability can result in takeover of Oracle OLAP. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)."
                }
            ],
            "references": [
                {
                    "url": "https://www.oracle.com/security-alerts/cpuoct2026.html",
                    "name": "Oracle Advisory",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ]
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-269",
                                "lang": "en",
                                "description": "CWE-269 Improper Privilege Management"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-26T20:25:00.420268Z",
                                "id": "CVE-2026-91563",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-26T20:25:27.681Z"
                }
            }
        ]
    }
}