CVE-2026-46776
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Oracle Unified Directory LDAP Access Control Bypass

Publication date: 2026-06-17

Last updated on: 2026-06-17

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 unauthenticated attacker with network access via LDAP to compromise Oracle Unified Directory. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Unified Directory accessible data as well as unauthorized read access to a subset of Oracle Unified Directory accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Unified Directory. CVSS 3.1 Base Score 8.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L).
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Meta Information
Published
2026-06-17
Last Modified
2026-06-17
Generated
2026-06-17
AI Q&A
2026-06-17
EPSS Evaluated
N/A
NVD
CVE-2026-46776
EUVD
EUVD-2026-37294
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
oracle unified_directory 12.2.1.4.0
oracle unified_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 vulnerability exists in the Oracle Unified Directory product of Oracle Fusion Middleware, specifically in the OUD Core component. It affects supported versions 12.2.1.4.0 and 14.1.2.1.0. The vulnerability is easily exploitable by an unauthenticated attacker who has network access via LDAP.

An attacker exploiting this vulnerability can compromise Oracle Unified Directory by gaining unauthorized capabilities such as creating, deleting, or modifying critical data or any data accessible through Oracle Unified Directory. Additionally, the attacker can read some subset of the accessible data without authorization and cause a partial denial of service (partial DOS) on the Oracle Unified Directory.

Impact Analysis

The impact of this vulnerability includes unauthorized creation, deletion, or modification of critical or accessible data within Oracle Unified Directory. This can lead to data integrity issues and potential data loss.

There is also unauthorized read access to some data, which can result in confidentiality breaches.

Furthermore, the vulnerability allows an attacker to cause a partial denial of service, affecting the availability of Oracle Unified Directory services.

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