CVE-2026-83058

Received Received - Intake

Oracle Internet Directory Remote Code Execution

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Oracle

Description

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).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83058

EUVD

EUVD-2026-79386

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	internet_directory	12.2.1.4.0
oracle	internet_directory	14.1.2.1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a critical vulnerability in Oracle Internet Directory (part of Oracle Fusion Middleware) that allows a low-privileged attacker with network access via LDAP to take over the system. The flaw exists in versions 12.2.1.4.0 and 14.1.2.1.0, enabling full compromise of confidentiality, integrity, and availability.

Detection Guidance

This vulnerability affects Oracle Internet Directory versions 12.2.1.4.0 and 14.1.2.1.0. Detection requires checking for vulnerable versions and monitoring for unusual LDAP activity. Oracle recommends applying patches or updates to mitigate risks. No specific commands are provided in the available context.

Impact Analysis

An attacker could exploit this to gain complete control over Oracle Internet Directory, potentially leading to unauthorized access to sensitive data, system manipulation, or disruption of services. Since the scope includes additional products, the impact may extend beyond the directory itself.

Compliance Impact

This vulnerability could lead to unauthorized data access or breaches, violating GDPR (data protection) and HIPAA (health data security) requirements. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage due to potential data exposure.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle Internet Directory immediately. Disable LDAP access if not required and restrict network access to the OID LDAP Server. Monitor Oracle's security advisories for patches and updates.

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