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Description

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 Reserved 2026-03-26 | Published 2026-05-28 | Updated 2026-05-29 | Assigner oracle




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

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.

Product status

5.6.19.24 (semver)
affected

5.6.22 (semver)
affected

5.6.25.19 (semver)
affected

5.6.27.6 (semver)
affected

5.6.28 (semver)
affected

References

www.oracle.com/security-alerts/cspumay2026.html (Oracle Advisory) vendor-advisory

cve.org (CVE-2026-34311)

nvd.nist.gov (CVE-2026-34311)

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