CVE-2026-91350

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Denial of Service in Oracle Outside In Technology

Publication date: 2026-10-20

Last updated on: 2026-10-22

Assigner: Oracle

Description

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK). The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-22

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91350

EUVD

EUVD-2026-106604

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Oracle Outside In Technology	8.5.8

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a denial-of-service (DoS) vulnerability in Oracle Outside In Technology 8.5.8. An unauthenticated attacker can exploit it remotely via HTTP to crash the service repeatedly, causing complete unavailability.

Detection Guidance

Detection of CVE-2026-91350 requires identifying systems running Oracle Outside In Technology version 8.5.8. Check for Oracle Fusion Middleware installations and verify the Outside In Technology component version. Network scanning tools like Nmap can detect open HTTP ports associated with Oracle services. Examine system logs for crashes or hangs in Oracle processes.

Impact Analysis

If you use Oracle Outside In Technology 8.5.8, an attacker could disrupt service availability, leading to downtime and loss of functionality for applications relying on this component.

Compliance Impact

This vulnerability causes denial-of-service (DoS) conditions in Oracle Outside In Technology, leading to system unavailability. Such disruptions may impact compliance with regulations requiring data availability, such as GDPR (data processing continuity) and HIPAA (access to protected health information).

Mitigation Strategies

Apply the latest security patches from Oracle for Outside In Technology version 8.5.8 or upgrade to a non-vulnerable version. Disable HTTP access to the affected component if possible. Monitor network traffic for unusual patterns targeting the Oracle Outside In Technology service.

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EPSS Chart

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