CVE-2026-91486

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Privilege Escalation in PeopleSoft Enterprise FIN General Ledger Brazil

Publication date: 2026-10-20

Last updated on: 2026-10-24

Assigner: Oracle

Description

Vulnerability in the PeopleSoft Enterprise FIN General Ledger Brazil product of Oracle PeopleSoft (component: General Ledger). 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 General Ledger Brazil executes to compromise PeopleSoft Enterprise FIN General Ledger Brazil. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise FIN General Ledger Brazil accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise FIN General Ledger 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

2026-10-24

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91486

EUVD

EUVD-2026-106731

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	PeopleSoft Enterprise FIN General Ledger 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 General Ledger Brazil version 9.1. It allows a low-privileged attacker with system access to compromise the software. Successful exploitation can lead to unauthorized data modifications and partial denial of service.

Detection Guidance

This vulnerability affects Oracle PeopleSoft Enterprise FIN General Ledger Brazil version 9.1. Detection requires checking for unauthorized data modifications or partial denial of service in the PeopleSoft environment. No specific commands are provided in the available context.

Impact Analysis

An attacker could alter financial data, insert false records, or delete critical information. The system may also experience reduced performance or outages, disrupting financial operations.

Compliance Impact

This vulnerability may impact compliance with GDPR and HIPAA by allowing unauthorized data modifications and partial denial of service. Unauthorized updates, inserts, or deletes to financial data could violate integrity requirements in GDPR Article 5 and HIPAA Security Rule integrity standards. The partial DOS could disrupt access to critical financial records, potentially breaching availability requirements under GDPR Article 32 and HIPAA Security Rule availability standards.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for PeopleSoft Enterprise FIN General Ledger Brazil version 9.1 to address the vulnerability. Ensure proper access controls are enforced to limit low-privileged users' ability to exploit this issue.

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