CVE-2016-5564: Unspecified vulnerability in the Oracle Hospitality OPERA 5 Property Services component in Oracle Hospitali...

Security readout for executives and security teams

This CVE affects Oracle Hospitality OPERA 5 Property Services, used in hotel property operations. An authenticated remote user could affect confidentiality, integrity, and availability. The public record does not explain the exact flaw, so urgency depends on whether affected OPERA versions are still reachable in your environment. Exposure is most likely where legacy Oracle Hospitality OPERA 5 Property Services versions remain deployed and accessible to authenticated users. The source bundle does not identify internet exposure, default configurations, or affected deployment models, so confirm through asset inventory and Oracle Hospitality ownership records. Treat as a targeted legacy enterprise application risk. Prioritize if OPERA supports active hotel operations, stores guest or payment-adjacent data, or is reachable by broad user groups. The lack of public severity data lowers confidence, not potential business impact. Mitigation focus: Identify OPERA 5 Property Services deployments and owners.; Check Oracle October 2016 CPU guidance for applicable remediation.; Upgrade or patch affected versions according to Oracle guidance..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.