Security Resilience

CVE-2026-34311

Oracle Hospitality Opera 5 Property Services 5.6.19.24 … 5.6.28

Published
28 May 2026
Modified
14 October 2026
Patch / advisory
CVSS Score v3.1 9.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0055 45th percentile
Risk Priority 72 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2026-34311 is a critical-severity an unspecified weakness vulnerability in Oracle Hospitality Opera 5 Property Services. Its CVSS base score is 9.8 (Critical).

Operationally, ranked at the 45th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

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…

more

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).

CWE(s)

Related Threats

CVEs Like This One

CVE-2023-21932Same product: Oracle Hospitality Opera 5 Property Services
CVE-2023-22085Same product: Oracle Hospitality Opera 5 Property Services
CVE-2026-71106Same product: Oracle Hospitality Opera 5 Property Services
CVE-2023-22087Same product: Oracle Hospitality Opera 5 Property Services
CVE-2026-71053Same vendor: Oracle
CVE-2024-21157Same vendor: Oracle
CVE-2026-62582Same vendor: Oracle
CVE-2026-70881Same vendor: Oracle
CVE-2026-73925Same vendor: Oracle
CVE-2024-20941Same vendor: Oracle

Affected Assets

oracle
hospitality opera 5 property services
5.6.19.24, 5.6.22, 5.6.25.19, 5.6.27.6, 5.6.28

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References