PT-2026-44506 · Oracle · Oracle Hospitality Opera 5 Property Services

Alex Lee + 1 · Published 2026-05-28 · Updated 2026-05-29 · CVE-2026-34311

NVD

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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).

Fix

Related Identifiers

CVE-2026-34311

Affected Products

Oracle Hospitality Opera 5 Property Services

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-34311 · Security Note
• https://oracle.com/security-alerts/cspumay2026.html · Vendor Advisory
• https://twitter.com/UpwindMDR/status/2060357947494940844 · Twitter Post