CVE-2026-83056

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

EPSS Scores

Probability:
Percentile:

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-2026-83056

EUVD

EUVD-2026-79384

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 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. A low-privileged attacker with network access via LDAP can exploit it to take over the Oracle Internet Directory. The attack may also impact other products due to scope change.

Detection Guidance

This vulnerability affects Oracle Internet Directory versions 12.2.1.4.0 and 14.1.2.1.0. Detection requires checking installed versions of Oracle Internet Directory. Use commands like 'ldapsearch -h <host> -p <port> -D <admin_dn> -w <password> -b "" -s base objectclass=*'' to verify the version. Ensure your Oracle Internet Directory is updated to a patched version.

Impact Analysis

An attacker could gain full control of the Oracle Internet Directory, leading to unauthorized access, data breaches, or disruption of services. This could affect confidentiality, integrity, and availability of critical data managed by the directory.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations using affected versions may face compliance violations and penalties.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Oracle Internet Directory immediately. Restrict network access to LDAP ports and ensure only trusted sources can connect. Monitor for unusual LDAP activity or unauthorized access attempts.

Hi! I’m here to help you understand CVE-2026-83056. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70