CVE-2026-60423

Analyzed Analyzed - Analysis Complete

Oracle Unified Directory LDAP Takeover Vulnerability

Publication date: 2026-07-21

Last updated on: 2026-07-29

Assigner: Oracle

Description

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). 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 Unified Directory. Successful attacks of this vulnerability can result in takeover of Oracle Unified Directory. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-21

Last Modified

2026-07-29

Generated

2026-08-11

AI Q&A

2026-07-22

EPSS Evaluated

2026-08-09

NVD

CVE-2026-60423

EUVD

EUVD-2026-46821

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	unified_directory	12.2.1.4.0
oracle	unified_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.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Unified Directory (OUD) versions 12.2.1.4.0 and 14.1.2.1.0. It allows a low-privileged attacker with network access via LDAP to take over the OUD system. The attack can impact confidentiality, integrity, and availability of the system.

Detection Guidance

Detection of CVE-2026-60423 requires checking for vulnerable versions of Oracle Unified Directory (12.2.1.4.0 or 14.1.2.1.0). Inspect installed software versions using commands like 'ldapsearch -H ldap://<host>:<port> -s base -b "" supportedLDAPVersion' or 'opatch lsinventory' for Oracle products. Monitor logs for unusual LDAP access patterns or privilege escalation attempts.

Impact Analysis

If you use Oracle Unified Directory versions 12.2.1.4.0 or 14.1.2.1.0, an attacker could gain full control of your OUD system. This could lead to unauthorized access, data breaches, or disruption of services relying on OUD.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate GDPR (data protection) or HIPAA (health information privacy) requirements. Organizations using affected OUD versions may face compliance violations and potential penalties.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle Unified Directory as soon as possible to address this vulnerability. Ensure network access via LDAP is restricted to trusted sources only. Monitor for unusual activity in the Oracle Unified Directory logs.

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