{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-21966",
        "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85",
        "state": "PUBLISHED",
        "assignerShortName": "oracle",
        "dateReserved": "2026-01-05T18:07:34.714Z",
        "datePublished": "2026-01-20T21:56:33.912Z",
        "dateUpdated": "2026-01-21T19:54:47.033Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "43595867-4340-4103-b7a2-9a5208d29a85",
                "shortName": "oracle",
                "dateUpdated": "2026-01-20T21:56:33.912Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en-US",
                            "description": "Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Oracle Corporation",
                    "product": "Oracle Hospitality OPERA 5 Property Services",
                    "versions": [
                        {
                            "version": "5.6.19.23",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.6.25.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.6.26.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.6.27.4",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.19.23:*:*:*:*:*:*:*"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.25.17:*:*:*:*:*:*:*"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.26.10:*:*:*:*:*:*:*"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.27.4:*:*:*:*:*:*:*"
                                }
                            ]
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en-US",
                    "value": "Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera).  Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and  5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Hospitality OPERA 5 Property Services, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 Property Services accessible data as well as  unauthorized read access to a subset of Oracle Hospitality OPERA 5 Property Services accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)."
                }
            ],
            "references": [
                {
                    "url": "https://www.oracle.com/security-alerts/cpujan2026.html",
                    "name": "Oracle Advisory",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
                        "baseScore": 6.1,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ]
        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "lang": "en",
                                "description": "CWE-noinfo Not enough information"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-21T19:53:17.895109Z",
                                "id": "CVE-2026-21966",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-21T19:54:47.033Z"
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}