CVE-2026-34311

Published May 28, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated HTTP Remote Compromise in Oracle Hospitality OPERA 5 Property Services
Weaknesses CWE-284
CWE-285
Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
Type Values Removed Values Added
Title Unauthenticated HTTP Remote Compromise in Oracle Hospitality OPERA 5 Property Services
Weaknesses CWE-284
CWE-285
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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).
First Time appeared Oracle
Oracle hospitality Opera 5 Property Services
CPEs cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.19.24:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.22:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.25.19:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.27.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.28:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle hospitality Opera 5 Property Services
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
May 29, 2026, 3:56 AM
Reserved
Mar 26, 2026, 7:48 PM
Status
Analyzed
Published
May 28, 2026, 9:16 PM
Modified
Oct 14, 2026, 8:10 PM