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Critical severity9.8NVD Advisory· Published May 28, 2026· Updated Jun 17, 2026

CVE-2026-34311

CVE-2026-34311

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).

Affected products

6
  • Oracle Corporation/Hospitality Opera 5 Property Services6 versions
    cpe:2.3:a:oracle:hospitality_opera_5_property_services:5.6.19.24:*:*:*:*:*:*:*+ 5 more
    • 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:*:*:*:*:*:*:*
    • (no CPE)range: 5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6, 5.6.28

Patches

Vulnerability mechanics

References

1

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