CVE-2026-83059: Critical severity Oracle Oracle Internet Directory vulnerability
Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Internet Directory. While the vulnerability is in Oracle Internet Directory, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
Which Oracle Internet Directory deployments are affected?
Affected supported versions are 12.2.1.4.0 and 14.1.2.1.0, specifically the OID LDAP Server component.
Does exploiting this issue require authentication or user interaction?
No. An unauthenticated attacker can exploit the vulnerability over the network through LDAP, and no user interaction is required.
What is the potential impact of successful exploitation?
Successful exploitation can result in takeover of Oracle Internet Directory, with high confidentiality, integrity, and availability impact. The attack may also significantly affect additional products because the vulnerability has scope change.