CVE-2026-34311
Analyzed Analyzed - Analysis Complete
Unauthenticated Remote Code Execution in Oracle Hospitality OPERA 5 Property Services

Publication date: 2026-05-28

Last updated on: 2026-05-29

Assigner: Oracle

Description
Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (component: Opera). Supported versions that are affected are 5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6 and 5.6.28. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5 Property Services. Successful attacks of this vulnerability can result in takeover of Oracle Hospitality OPERA 5 Property Services. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Meta Information
Published
2026-05-28
Last Modified
2026-05-29
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-34311
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
oracle hospitality_opera_5_property_services 5.6.19.24
oracle hospitality_opera_5_property_services 5.6.22
oracle hospitality_opera_5_property_services 5.6.25.19
oracle hospitality_opera_5_property_services 5.6.27.6
oracle hospitality_opera_5_property_services 5.6.28
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Oracle Hospitality OPERA 5 Property Services product, specifically affecting certain supported versions. It is an easily exploitable flaw that allows an unauthenticated attacker with network access via HTTP to compromise the system.

A successful attack can lead to a complete takeover of the Oracle Hospitality OPERA 5 Property Services, impacting confidentiality, integrity, and availability of the system.

Impact Analysis

If exploited, this vulnerability can allow an attacker to take full control over the Oracle Hospitality OPERA 5 Property Services. This means the attacker could access sensitive data, alter or destroy information, and disrupt the availability of the service.

Compliance Impact

This vulnerability allows an unauthenticated attacker with network access to fully compromise Oracle Hospitality OPERA 5 Property Services, impacting confidentiality, integrity, and availability.

Such a compromise could lead to unauthorized access to sensitive data, which may result in violations of data protection regulations such as GDPR and HIPAA that require safeguarding personal and health information.

Therefore, organizations using the affected versions of Oracle Hospitality OPERA 5 Property Services may face compliance risks if this vulnerability is exploited.

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