Denial of Service Vulnerability in Oracle Fusion Middleware's Outside In Technology
CVE-2026-91344

7.5HIGH

Key Information:

Vendor

Oracle
Status
Oracle Outside In Technology
Vendor
CVE Published:
20 October 2026

What is CVE-2026-91344?

A significant vulnerability exists in the Oracle Outside In Technology component of Oracle Fusion Middleware, specifically in version 8.5.8. This flaw can be exploited by an unauthenticated attacker with network access via HTTP, potentially allowing them to compromise the functionality of the Oracle Outside In Technology. Upon successful exploitation, the attacker may induce a denial of service scenario, leading to a complete system hang or repeatable crash. This vulnerability highlights the importance of implementing necessary security measures to mitigate risks associated with unauthorized access and service disruptions.

Affected Version(s)

Oracle Outside In Technology 8.5.8

References

https://www.oracle.com/security-alerts/cpuoct2026.html
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.