CVE-2026-91343

Undergoing Analysis Undergoing Analysis - In Progress

Oracle Outside In Technology Critical Data Integrity Flaw

Publication date: 2026-10-20

Last updated on: 2026-10-28

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. While the vulnerability is in Oracle Outside In Technology, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Outside In Technology accessible data. CVSS 3.1 Base Score 8.6 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-28

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91343

EUVD

EUVD-2026-106597

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-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, specifically in the Outside In Clean Content SDK version 8.5.8. It allows an unauthenticated attacker with network access via HTTP to compromise the system. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data or all accessible data in Oracle Outside In Technology.

Detection Guidance

This vulnerability affects Oracle Outside In Technology version 8.5.8 and can be exploited via HTTP. Detection requires checking for the specific version of the software running on your systems. Use commands like 'rpm -qa | grep Outside' on Linux or 'Get-WmiObject -Class Win32_Product | Where-Object {$_.Name -like "*Outside*"}' on Windows to identify the installed version.

Impact Analysis

An attacker could exploit this to alter or delete sensitive data, potentially causing data loss or corruption. Since the vulnerability affects additional products beyond the primary component, the impact may extend to systems relying on Oracle Outside In Technology for content processing.

Compliance Impact

This vulnerability allows unauthorized modification of critical data, which could lead to violations of data integrity requirements in GDPR and HIPAA. Unauthorized changes to personal or health data may result in non-compliance with these regulations.

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 and restrict network access to trusted sources only.

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