CVE-2026-21967

CVE-2026-21967 is a publicly documented vulnerability in Oracle Hospitality OPERA 5 (Opera Servlet) affecting versions 5.6.19.23, 5.6.25.17, 5.6.26.10, and 5.6.27.4. An unauthenticated attacker with network access via HTTP can compromise OPERA 5, potentially gaining unauthorized access to all acc...