CVE-2026-61258

Modified Modified - Updated After Analysis

Oracle Internet Directory LDAP Server Authentication Bypass

Publication date: 2026-08-18

Last updated on: 2026-08-21

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

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Meta Information

Published

2026-08-18

Last Modified

2026-08-21

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-61258

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-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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

Since this is an Oracle Internet Directory LDAP server vulnerability, detection involves checking for exposed LDAP ports and unusual activity. Monitor network traffic on LDAP port 389 or 636 (LDAPS) for unauthorized access attempts. Use commands like 'nmap -p 389,636 <target>' to scan for open ports. Check Oracle logs for unexpected LDAP queries or administrative actions.

Impact Analysis

An attacker could exploit this to gain complete control over your Oracle Internet Directory, leading to unauthorized access, data breaches, or disruption of directory services. This could expose sensitive user data and system configurations.

Compliance Impact

This vulnerability could lead to unauthorized access or exposure of personal data, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face compliance penalties and reputational damage.

Mitigation Strategies

Apply the latest security patches from Oracle for affected versions 12.2.1.4.0 and 14.1.2.1.0. Restrict network access to LDAP ports and disable unnecessary services. Monitor Oracle Internet Directory logs for suspicious activity.

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