#VU121723 Improper input validation in Oracle Hospitality OPERA 5 Property Services - CVE-2026-21967
Published: January 20, 2026
Vulnerability identifier: #VU121723
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-21967
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Oracle Hospitality OPERA 5 Property Services
Oracle Hospitality OPERA 5 Property Services
Software vendor:
Oracle
Oracle
Description
The vulnerability allows a remote non-authenticated attacker to read, manipulate or delete data.
The vulnerability exists due to improper input validation within the Opera Servlet component in Oracle Hospitality OPERA 5 Property Services. A remote non-authenticated attacker can exploit this vulnerability to read, manipulate or delete data.
Remediation
Install updates from vendor's website.