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10.0

Oracle Internet Directory can be taken over via LDAP

CVE-2026-83059 · published 27 days ago
Summary

The Oracle Internet Directory component of Oracle Fusion Middleware (versions 12.2.1.4.0 and 14.1.2.1.0) can be accessed without authentication over the network and fully compromised. This allows an attacker to control the directory service, which could affect other systems that rely on it. Apply the vendor's security update or patches as soon as possible to close the gap.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle internet_directory 12.2.1.4.0
14.1.2.1.0
cpe:2.3:a:oracle:internet_directory:12.2.1.4.0:*:*:*:*:*:*:*
oracle corporation oracle internet directory 12.2.1.4.0
Original advisory text
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 exploit...
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. 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 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
10.0 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-287Improper Authentication
CWE-306Missing Authentication for Critical Function
Timeline
Published15 Sep 2026
Updated11 Oct 2026
First seen15 Sep 2026
Sources
CVE-2026-83059 · NVD
CVE-2026-83059 · MITRE
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