---
id: CVE-2026-34311
title: >-
  Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of
  Oracle Hospitality Applications (component: Opera)
summary: >-
  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
  exploit…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
vendor: oracle
product: hospitality_opera_5_property_services
affected:
  - hospitality_opera_5_property_services = 5.6.19.24
  - hospitality_opera_5_property_services = 5.6.22
  - hospitality_opera_5_property_services = 5.6.25.19
  - hospitality_opera_5_property_services = 5.6.27.6
  - hospitality_opera_5_property_services = 5.6.28
published: '2026-05-28'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-34311'
references:
  - url: 'https://www.oracle.com/security-alerts/cspumay2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
epss: 0.00549
epssPercentile: 0.446
ingestedAt: '2026-10-14T20:53:12.344Z'
---

## Overview

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

- `hospitality_opera_5_property_services = 5.6.19.24`
- `hospitality_opera_5_property_services = 5.6.22`
- `hospitality_opera_5_property_services = 5.6.25.19`
- `hospitality_opera_5_property_services = 5.6.27.6`
- `hospitality_opera_5_property_services = 5.6.28`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.