Denial of Service Vulnerability in Oracle Outside In Technology
CVE-2026-91349

7.5HIGH

Key Information:

Vendor

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

What is CVE-2026-91349?

A vulnerability exists in the Oracle Outside In Technology component of Oracle Fusion Middleware that allows an unauthenticated attacker with network access via HTTP to potentially compromise the service. This can result in disruption, causing the Oracle Outside In Technology to hang or crash repeatedly, leading to a Denial of Service (DoS) condition. The affected version is 8.5.8, and it is crucial for users to assess their systems and implement necessary safeguards.

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

.