CVE-2026-21966

{"id": "CVE-2026-21966", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21966", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-21T19:53:17.895109Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secalert_us@oracle.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "secalert_us@oracle.com", "affectedData": [{"vendor": "Oracle Corporation", "product": "Oracle Hospitality OPERA 5 Property Services", "versions": [{"status": "affected", "version": "5.6.19.23", "versionType": "semver"}, {"status": "affected", "version": "5.6.25.17", "versionType": "semver"}, {"status": "affected", "version": "5.6.26.10", "versionType": "semver"}, {"status": "affected", "version": "5.6.27.4", "versionType": "semver"}]}]}], "published": "2026-01-20T22:15:59.607", "references": [{"url": "https://www.oracle.com/security-alerts/cpujan2026.html", "tags": ["Vendor Advisory"], "source": "secalert_us@oracle.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "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)."}, {"lang": "es", "value": "Vulnerabilidad en el producto Oracle Hospitality OPERA 5 Property Services de Oracle Hospitality Applications (componente: Opera). Las versiones compatibles afectadas son 5.6.19.23, 5.6.25.17, 5.6.26.10 y 5.6.27.4. La vulnerabilidad f\u00e1cilmente explotable permite a un atacante no autenticado con acceso a la red a trav\u00e9s de HTTP comprometer Oracle Hospitality OPERA 5 Property Services. Los ataques exitosos requieren interacci\u00f3n humana de una persona distinta del atacante y, aunque la vulnerabilidad est\u00e1 en Oracle Hospitality OPERA 5 Property Services, los ataques pueden tener un impacto significativo en productos adicionales (cambio de alcance). Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de actualizaci\u00f3n, inserci\u00f3n o eliminaci\u00f3n a algunos de los datos accesibles de Oracle Hospitality OPERA 5 Property Services, as\u00ed como acceso de lectura no autorizado a un subconjunto de los datos accesibles de Oracle Hospitality OPERA 5 Property Services. Puntuaci\u00f3n base CVSS 3.1 de 6.1 (impactos en la confidencialidad y la integridad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)."}], "lastModified": "2026-06-17T10:19:14.987", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:hospitality_opera_5:5.6.19.23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04679532-E932-4A98-851D-A5D2686E811A"}, {"criteria": "cpe:2.3:a:oracle:hospitality_opera_5:5.6.25.17:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F72AC12F-7DA8-4AB4-9645-FD6FCE2AB539"}, {"criteria": "cpe:2.3:a:oracle:hospitality_opera_5:5.6.26.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F029305F-46E1-4620-9545-ED7066B33B0F"}, {"criteria": "cpe:2.3:a:oracle:hospitality_opera_5:5.6.27.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "857E949C-0A97-4148-BE92-B0E55808290F"}], "operator": "OR"}]}], "sourceIdentifier": "secalert_us@oracle.com"}