Denial-of-Service Vulnerability in Oracle Outside In Technology
CVE-2026-91345

7.5HIGH

Key Information:

Vendor

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

What is CVE-2026-91345?

A vulnerability exists in Oracle Outside In Technology within the Oracle Fusion Middleware, specifically affecting version 8.5.8. This easily exploitable weakness allows unauthorized attackers with network access via HTTP to significantly disrupt the service. A successful exploitation can lead to frequent crashes or hangs of the affected component, ultimately resulting in a complete denial of service. This poses a serious threat to the availability of systems relying on the Oracle Outside In Technology.

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

.