HO
Product
Hospitality Opera 5
by Oracle · last CVE Jan 20, 2026
On CISA KEVExploited in the wild
9
CVEs
1
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 4High 3Medium 2Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-17530
In wildKEV
9.8
96%
Dec 11
Apache Struts Remote Code Execution Vulnerability
Affected: 5.6
CVE-2018-1285
9.8
18%
May 11
Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files
Affected: 5.5; 5.6
CVE-2025-21547
9.1
1%
Jan 21
Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet)
Affected: 5.6.19.20; 5.6.25.8; 5.6.26.6; 5.6.27.1
CVE-2024-21172
9.0
1%
Oct 15
Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet)
Affected: 5.6.19.19; 5.6.25.8; 5.6.26.4
CVE-2026-21967
8.6
0%
Jan 20
Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet)
Affected: 5.6.19.23; 5.6.25.17; 5.6.26.10; 5.6.27.4
CVE-2019-17566
7.5
11%
Nov 12
Apache Batik is vulnerable to server-side request forgery, caused by improper input validation by the "xlink:href" attributes
Affected: 5.5; 5.6
CVE-2019-10086
7.3
29%
Aug 20
In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access the classloader via the class property…
Affected: 5.5; 5.6
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
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