Oracle Warns of Critical Unauthenticated RCE in Identity Manager and Web Services Manager
Vulnerability Disclosure · 8 sources · Updated 4mo ago · First seen Mar 20, 2026

Oracle issued an out-of-band Security Alert for CVE-2026-21992, a critical unauthenticated remote code execution flaw affecting Oracle Fusion Middleware deployments that use Oracle Identity Manager and Oracle Web Services Manager. The vulnerability carries a CVSS 3.1 score of 9.8 and can be exploited remotely over the network with low complexity and no user interaction, raising particular concern for internet-facing systems.
Oracle said the flaw affects the REST Web Services component in Oracle Identity Manager and the Web Services Security module in Oracle Web Services Manager. Successful exploitation could result in full system compromise, including credential theft and lateral movement, and the company urged customers to apply available patches immediately. Oracle also warned that organizations running unsupported versions should upgrade to supported releases, as fixes are only provided under Premier Support or Extended Support.


