๐Ÿ” CVE Alert

CVE-2026-34311

CRITICAL 9.8
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th

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).

Vendor oracle corporation
Product oracle hospitality opera 5 property services
Published May 28, 2026
Last Updated May 29, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Oracle Corporation / Oracle Hospitality OPERA 5 Property Services
5.6.19.24 5.6.22 5.6.25.19 5.6.27.6 5.6.28

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
oracle.com: https://www.oracle.com/security-alerts/cspumay2026.html