Authentication Bypass in Oracle Identity Manager Product from Oracle
CVE-2026-91408

9.8CRITICAL

Key Information:

Vendor

Oracle
Status
Oracle Identity Manager
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91408?

A vulnerability exists in Oracle Identity Manager, part of Oracle Fusion Middleware, allowing unauthenticated network access through T3 and IIOP protocols. Attackers can exploit this flaw to gain unauthorized access and potentially take control of the Oracle Identity Manager system, compromising confidentiality, integrity, and availability. Users of the affected versions must prioritize patching to mitigate this risk.

Affected Version(s)

Oracle Identity Manager 12.2.1.4.0

Oracle Identity Manager 14.1.2.1.0

References

https://www.oracle.com/security-alerts/cpuoct2026.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

.