Vulnerability in Oracle Fusion Middleware's Identity Manager Product
CVE-2026-91259

8.8HIGH

Key Information:

Vendor

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

What is CVE-2026-91259?

A security flaw exists in the Oracle Identity Manager component of Oracle Fusion Middleware that enables a low privileged attacker with network access to exploit the system via HTTP. This vulnerability can lead to a complete takeover of Oracle Identity Manager, impacting confidentiality, integrity, and availability. The supported versions affected include 12.2.1.4.0 and 14.1.2.1.0, making it crucial for organizations to address this issue promptly to protect their identity management solutions.

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:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.