Vulnerability Details CVE-2026-21967
Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet). 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. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality OPERA 5 accessible data as well as unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hospitality OPERA 5. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 17.2%
CVSS Severity
CVSS v3 Score 8.6
Products affected by CVE-2026-21967
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cpe:2.3:a:oracle:hospitality_opera_5:5.6.19.23
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cpe:2.3:a:oracle:hospitality_opera_5:5.6.25.17
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cpe:2.3:a:oracle:hospitality_opera_5:5.6.26.10
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cpe:2.3:a:oracle:hospitality_opera_5:5.6.27.4