CVE-2026-91562

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PeopleSoft Enterprise FIN Inventory Brazil Partial Denial of Service

Publication date: 2026-10-20

Last updated on: 2026-10-26

Assigner: Oracle

Description

Vulnerability in the PeopleSoft Enterprise FIN Inventory Brazil product of Oracle PeopleSoft (component: Inventory). The supported version that is affected is 9.1. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where PeopleSoft Enterprise FIN Inventory Brazil executes to compromise PeopleSoft Enterprise FIN Inventory Brazil. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise FIN Inventory Brazil accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise FIN Inventory Brazil. CVSS 3.1 Base Score 4.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-26

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91562

EUVD

EUVD-2026-106784

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	PeopleSoft Enterprise FIN Inventory Brazil	9.1

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 PeopleSoft Enterprise FIN Inventory Brazil version 9.1. It allows a low-privileged attacker with system access to potentially alter or delete data and cause partial service disruption.

Detection Guidance

Detection of this vulnerability requires checking for unauthorized access or modifications in the PeopleSoft Enterprise FIN Inventory Brazil application. Monitor logs for unusual activity in the inventory component, especially for low-privileged users making changes. Ensure the application is updated to the latest secure version.

Impact Analysis

An attacker could modify or delete financial inventory data, leading to incorrect records or financial losses. They could also disrupt system operations, causing partial downtime for inventory management.

Compliance Impact

This vulnerability could lead to unauthorized data changes or disruptions, potentially violating integrity and availability requirements in GDPR or HIPAA. Compliance may be impacted if sensitive financial or personal data is compromised.

Mitigation Strategies

Apply Oracle's official security patches for PeopleSoft Enterprise FIN Inventory Brazil version 9.1 immediately. Restrict user privileges to the minimum required for operations. Monitor system logs for unauthorized access attempts or unusual activity.

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