Summary

Oracle's May 2026 Critical Security Patch Update addresses 35 vulnerabilities, including 11 critical flaws with CVSS scores up to 10.0. Some vulnerabilities allow unauthenticated remote attackers to compromise systems.

Take Action:

If you are using Oracle products, review this advisory in detail. Prioritize patching of unauthenticated exploiuts in Oracle REST Data Services, Oracle Payments, Hospitality OPERA 5, and Oracle Database Server Net Service, then internet-facing systems and the rest of the critical flaws, then everything else.

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This article was originally published on BeyondMachines