CVE-2026-83060

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

Probability:
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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-2026-83060

EUVD

EUVD-2026-79388

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 vulnerability in Oracle Internet Directory, a component of Oracle Fusion Middleware. It affects versions 12.2.1.4.0 and 14.1.2.1.0. An unauthenticated attacker can exploit it remotely via LDAP to take over the Oracle Internet Directory server. The vulnerability has a high CVSS score of 9.8, indicating severe impacts on confidentiality, integrity, and availability.

Detection Guidance

Detection requires checking if Oracle Internet Directory versions 12.2.1.4.0 or 14.1.2.1.0 are running. Use commands like 'ldapsearch -h <target> -p 389 -b "" -s base' to query the LDAP server. Verify the version in the response.

Impact Analysis

If you use Oracle Internet Directory versions 12.2.1.4.0 or 14.1.2.1.0, an attacker could exploit this to gain full control of your directory server. This could lead to unauthorized access to sensitive data, modification of critical information, or disruption of services relying on the directory.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate 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. Restrict network access to LDAP ports (389, 636) via firewalls. Disable unauthenticated LDAP access if possible. Monitor for unusual LDAP queries or connections.

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