Oracle Unified Directory: denial of service via OUD Core

High8.7CVE-2026-60437 · Published Jul 21, 2026 · updated Jul 28, 2026

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows high privileged attacker with network access via LDAP to compromise Oracle Unified Directory. While the vulnerability is in Oracle Unified Directory, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Unified Directory accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Unified Directory. CVSS 3.1 Base Score 8.7 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:H).