Unauthenticated Access Vulnerability in Oracle Internet Directory by Oracle
CVE-2026-83066

9.8CRITICAL

Key Information:

Vendor

Oracle
Status
Oracle Internet Directory
Vendor
CVE Published:
15 September 2026

What is CVE-2026-83066?

A vulnerability exists in the Oracle Internet Directory component of Oracle Fusion Middleware, specifically affecting the OID LDAP Server. Supported versions 12.2.1.4.0 and 14.1.2.1.0 are susceptible to exploitation. This vulnerability allows an unauthenticated attacker with network access through T3 and IIOP protocols to compromise the Oracle Internet Directory system. A successful attack could lead to complete takeover of the Oracle Internet Directory, posing significant risks to the confidentiality, integrity, and availability of the system.

Affected Version(s)

Oracle Internet Directory 12.2.1.4.0

Oracle Internet Directory 14.1.2.1.0

References

https://www.oracle.com/security-alerts/cspusep2026.html
vendor-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.