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    CVE-2026-34311

    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).

    Published:May 28, 2026
    Last Modified:May 29, 2026
    EPS:May 28, 2026
    EPSS Score:0.00043
    CVSS Score:9.8

    Affected Products

    Vendor
    Oracle
    Product
    Hospitality Opera 5 Property Services

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-71106 (CVSS 8.8) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (…
    CVE-2026-21966 (CVSS 6.1) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (…
    CVE-2023-22087 (CVSS 8.8) — Vulnerability in the Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (compone…
    CVE-2023-22085 (CVSS 8.8) — Vulnerability in the Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (compone…
    CVE-2023-21932 (CVSS 7.2) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (…
    CVE-2020-14877 (CVSS 6.5) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (…
    CVE-2020-14858 (CVSS 6.8) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services product of Oracle Hospitality Applications (…
    CVE-2019-10219 (CVSS 6.1) — A vulnerability was found in Hibernate-Validator. The SafeHtml validator annotation fails to properly sanitize…
    CVE-2017-10197 (CVSS 4.6) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applications…
    CVE-2017-10182 (CVSS 4.4) — Vulnerability in the Oracle Hospitality OPERA 5 Property Services component of Oracle Hospitality Applications…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High