Oracle Internet Directory 12.2.1.4.0/14.1.2.1.0 OID LDAP Server improper authentication

Summaryinfo

A vulnerability has been found in Oracle Internet Directory 12.2.1.4.0/14.1.2.1.0 and classified as critical. This vulnerability affects unknown code of the component OID LDAP Server. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2026-83059. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Oracle Internet Directory 12.2.1.4.0/14.1.2.1.0 and classified as critical. Affected by this vulnerability is an unknown part of the component OID LDAP Server. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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).

The advisory is shared at oracle.com. This vulnerability is known as CVE-2026-83059 since 08/31/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/15/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Oracle

Name

• Internet Directory

Version

• 12.2.1.4.0
• 14.1.2.1.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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