CVE-2026-91341

Undergoing Analysis Undergoing Analysis - In Progress

Denial of Service in Oracle Outside In Technology

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. 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 and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

CVSS Scores

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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-2026-91341

EUVD

EUVD-2026-106595

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 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 cause a denial of service (DOS) by crashing the system repeatedly.

Detection Guidance

Detection of CVE-2026-91341 requires checking for vulnerable versions of Oracle Outside In Technology, specifically version 8.5.8. Inspect installed software versions and network traffic for HTTP requests targeting Oracle Fusion Middleware components. No specific commands are provided in the context.

Impact Analysis

An attacker could gain unauthorized access to modify or delete sensitive data processed by Oracle Outside In Technology. They could also disrupt services by causing the system to crash repeatedly, leading to downtime and potential data loss.

Compliance Impact

This vulnerability could lead to unauthorized data modification or deletion, violating integrity requirements in GDPR and HIPAA. It may also cause data breaches or service disruptions, which are critical compliance issues under these regulations.

Mitigation Strategies

Apply the latest security patches from Oracle for Oracle Outside In Technology version 8.5.8 to address the vulnerability. Disable HTTP access to the affected component if not required and restrict network access to trusted sources only.

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