CVE-2026-87394

Analyzed Analyzed - Analysis Complete

Oracle Outside In Technology Path Traversal 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 access to critical data or complete access to all Oracle Outside In Technology accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

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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-2026-87394

EUVD

EUVD-2026-106435

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	outside_in_technology	8.5.8

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Outside In Technology version 8.5.8. It allows an unauthenticated attacker to remotely access the system via HTTP and potentially gain unauthorized access to sensitive data or cause a partial denial of service.

Detection Guidance

Detection requires checking for Oracle Outside In Technology version 8.5.8. Inspect installed software versions and network services exposing HTTP interfaces. Monitor for unusual data access patterns or partial denial of service events targeting this component.

Impact Analysis

An attacker could exploit this to steal critical data or disrupt services relying on Oracle Outside In Technology. Systems using this component may face data breaches or operational downtime.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face compliance penalties if affected.

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 not required. Monitor network traffic for suspicious activity targeting the Oracle Outside In Technology service.

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