CVE-2026-91347

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iSupport Component Vulnerability in Oracle E-Business Suite

Publication date: 2026-10-20

Last updated on: 2026-10-28

Assigner: Oracle

Description

Vulnerability in the iSupport product of Oracle E-Business Suite (component: Service Requests). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise iSupport. While the vulnerability is in iSupport, 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 iSupport accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of iSupport. CVSS 3.1 Base Score 8.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L).

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-2026-91347

EUVD

EUVD-2026-106601

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	iSupport	12.2.3

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 the iSupport product of Oracle E-Business Suite affecting versions 12.2.3 to 12.2.15. It allows a low-privileged attacker with network access to compromise iSupport and potentially impact other products. Successful exploitation can lead to unauthorized data creation, deletion, or modification, and cause partial denial of service.

Detection Guidance

Detection of CVE-2026-91347 requires monitoring for unauthorized modifications to iSupport data or unusual HTTP traffic patterns targeting Oracle E-Business Suite versions 12.2.3-12.2.15. Check Oracle E-Business Suite logs for HTTP requests to iSupport components and verify data integrity of service requests. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could allow attackers to modify or delete critical data, access all iSupport data, and disrupt service availability. This may lead to data breaches, loss of sensitive information, and operational disruptions for affected organizations.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data integrity and confidentiality requirements, and HIPAA's safeguards for protected health information. Non-compliance risks include legal penalties, fines, and reputational damage.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for iSupport in Oracle E-Business Suite versions 12.2.3-12.2.15. Restrict network access to HTTP ports used by iSupport. Monitor for unauthorized data modifications or deletions in iSupport.

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EPSS Chart

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