CVE-2026-83055: 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 low privileged 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 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
Affected supported Oracle Internet Directory versions are 12.2.1.4.0 and 14.1.2.1.0, specifically the OID LDAP Server component.
What does an attacker need to exploit this issue?
An attacker needs network access to the LDAP service and low-privileged credentials. No user interaction is required, and the attack complexity is low.
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 scope can extend beyond Oracle Internet Directory and significantly affect additional products.