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CVE-2026-21967
HIGH · CVSS 8.6
EPSS exploitation probability: 0%
Published 2026-01-20T22:15:59.733 · Last modified 2026-06-17T10:19:15.097

Summary

Vulnerability in the Oracle Hospitality OPERA 5 product of Oracle Hospitality Applications (component: Opera Servlet). Supported versions that are affected are 5.6.19.23, 5.6.25.17, 5.6.26.10 and 5.6.27.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Hospitality OPERA 5. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Hospitality OPERA 5 accessible data as well as unauthorized update, insert or delete access to some of Oracle Hospitality OPERA 5 accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Hospitality OPERA 5. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impact

Affected products

oracle — hospitality_opera_5

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.