CVE-2026-91338

Awaiting Analysis Awaiting Analysis - Queue

Unauthorized Data Access in Oracle E-Business Suite iSupport

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: Internal operations). 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. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all iSupport accessible data as well as unauthorized read access to a subset of iSupport accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N).

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-91338

EUVD

EUVD-2026-106592

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 Oracle E-Business Suite's iSupport product affecting versions 12.2.3 to 12.2.15. It allows a low-privileged attacker with network access to exploit it via HTTP, potentially leading to unauthorized data access or modification.

Impact Analysis

An attacker could create, delete, or modify critical data within iSupport or access sensitive data without authorization. This could lead to data breaches, loss of data integrity, or unauthorized exposure of confidential information.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information. Non-compliance risks fines and legal penalties.

Mitigation Strategies

Apply the latest Oracle E-Business Suite patches for iSupport versions 12.2.3-12.2.15. Restrict network access to HTTP ports used by iSupport. Review and enforce least privilege for user roles in iSupport. Monitor logs for unauthorized data access or modification attempts.

Hi! I’m here to help you understand CVE-2026-91338. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70

EPSS Chart

Security Radar

News mentioning this vulnerability

Loading related security news...