CVE-2026-91257

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Unauthorized Data Access in iSupport for 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. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all iSupport accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

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-2026-91257

EUVD

EUVD-2026-106512

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	iSupport	12.2.3

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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 low-privileged attackers with network access to exploit HTTP and gain unauthorized access to critical or all accessible data in iSupport.

Detection Guidance

Detection requires checking for vulnerable versions of Oracle E-Business Suite iSupport (12.2.3-12.2.15). Inspect Oracle application logs for unauthorized HTTP access to iSupport components. Verify if low-privileged users have unexpected access to critical data paths.

Impact Analysis

An attacker could access sensitive data stored in iSupport, leading to potential data breaches, loss of confidential information, or unauthorized modifications to records.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations due to unauthorized data access, potentially resulting in legal penalties, fines, or reputational damage.

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 access controls for users.

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EPSS Chart

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