Oracle Internet Directory 12.2.1.4.0/14.1.2.1.0 OID LDAP Server input validation

Summaryinfo

A vulnerability categorized as very critical has been discovered in Oracle Internet Directory 12.2.1.4.0/14.1.2.1.0. This affects an unknown function of the component OID LDAP Server. The manipulation results in input validation. This vulnerability is cataloged as CVE-2026-83066. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as very critical has been found in Oracle Internet Directory 12.2.1.4.0/14.1.2.1.0. Affected is an unknown functionality of the component OID LDAP Server. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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 T3, IIOP to compromise Oracle Internet Directory. Successful attacks of this vulnerability can result in takeover of Oracle Internet Directory. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

The advisory is available at oracle.com. This vulnerability is traded as CVE-2026-83066 since 08/31/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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