CVE-2026-87395

Analyzed Analyzed - Analysis Complete

Oracle Outside In Technology Denial of Service Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core). 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).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-04

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-87395

EUVD

EUVD-2026-106436

Affected Vendors & Products

Vendor	Product	Version / Range
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 version 8.5.8. It allows an unauthenticated attacker over a network to cause the software to hang or crash repeatedly by sending specially crafted HTTP requests.

Detection Guidance

Detection 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 detection involves scanning for HTTP services hosting the vulnerable component.

Impact Analysis

If exploited, this vulnerability could disrupt services relying on Oracle Outside In Technology by making it unavailable due to repeated crashes or hangs, leading to downtime and potential loss of functionality.

Compliance Impact

This vulnerability causes denial-of-service (DOS) conditions in Oracle Outside In Technology, leading to system unavailability. For GDPR, this could impact data processing operations requiring availability. For HIPAA, it may disrupt access to protected health information systems. However, the provided CVE details do not explicitly address compliance impacts.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for Outside In Technology. Disable HTTP access to the vulnerable component if possible. Isolate affected systems from critical networks until patched. Monitor for unusual network traffic or service crashes.

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EPSS Chart

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