CVE-2026-83055
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).

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-10-06
AI Q&A
2026-09-15
EPSS Evaluated
2026-10-04
NVD
CVE-2026-83055
EUVD
EUVD-2026-79383

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
oracle internet_directory 12.2.1.4.0
oracle internet_directory 14.1.2.1.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a critical vulnerability in Oracle Internet Directory 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 Oracle Internet Directory server. The flaw has a CVSS score of 9.9, indicating severe impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-83055 requires monitoring Oracle Internet Directory logs for unusual LDAP access patterns or privilege escalation attempts. Check for unauthorized administrative actions or unexpected network connections to the LDAP server. Ensure Oracle patches are applied and review system logs for anomalies in Oracle Internet Directory processes.

Impact Analysis

An attacker could exploit this to gain full control of the Oracle Internet Directory server. This could lead to unauthorized access to sensitive data, modification or deletion of critical information, and disruption of services relying on this directory.

Compliance Impact

This vulnerability could lead to unauthorized access or loss of sensitive data, which may violate GDPR, HIPAA, and other regulations. Organizations using affected Oracle Internet Directory versions may face compliance violations, legal 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. Monitor Oracle's security advisories for updates and restrict network access to LDAP ports until patched.

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