CVE-2026-83061

Analyzed Analyzed - Analysis Complete

Oracle Internet Directory LDAP Server Authentication Bypass

Publication date: 2026-09-15

Last updated on: 2026-09-22

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 unauthenticated attacker with network access via LDAP 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).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83061

EUVD

EUVD-2026-79389

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-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a critical vulnerability in Oracle Internet Directory affecting versions 12.2.1.4.0 and 14.1.2.1.0. It allows unauthenticated attackers to remotely compromise the system via LDAP, potentially leading to full takeover of the Oracle Internet Directory service.

Detection Guidance

This vulnerability affects Oracle Internet Directory versions 12.2.1.4.0 and 14.1.2.1.0. Detection involves checking for unpatched versions of Oracle Internet Directory. Use Oracle's official patching tools or scripts to verify installed versions against the affected releases. Network scans for LDAP services on default ports (389, 636) may help identify potentially vulnerable instances.

Impact Analysis

An attacker could exploit this to gain complete control over your Oracle Internet Directory, leading to unauthorized access, data theft, or disruption of directory services. This could affect authentication systems relying on Oracle Internet Directory.

Compliance Impact

This vulnerability could lead to unauthorized access or exposure of sensitive data, violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations using affected versions must address this to maintain compliance.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update immediately to address the vulnerability in Oracle Internet Directory versions 12.2.1.4.0 and 14.1.2.1.0. Restrict network access to LDAP ports and ensure only trusted sources can communicate with the OID LDAP Server.

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