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OH
Product
Oracle Hospitality OPERA 5
by Oracle Corporation · last CVE Jan 20, 2026
On CISA KEVExploited in the wild
9
CVEs
1
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities9In the news1Timeline
Severity mix
Critical 4High 3Medium 2Low 0
Severity
All severities9Critical4High3Medium2Low0
Exploitation
On CISA KEV1Exploited in the wild1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-21966
6.1
0%
Jan 20
Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera)
Affected: 5.6.19.23; 5.6.25.17; 5.6.26.10; 5.6.27.4
CVE-2020-17521
5.5
1%
Dec 7
Apache Groovy provides extension methods to aid with creating temporary directories
Affected: 5.6
Showing 2