Oracle PeopleSoft Enterprise FIN General Ledger Brazil 9.1 improper authorization

Summaryinfo

A vulnerability categorized as problematic has been discovered in Oracle PeopleSoft Enterprise FIN General Ledger Brazil 9.1. This affects an unknown function of the component General Ledger. The manipulation results in improper authorization. This vulnerability was named CVE-2026-91486. The attack needs to be approached locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Oracle PeopleSoft Enterprise FIN General Ledger Brazil 9.1. Affected is an unknown functionality of the component General Ledger. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on integrity, and availability. CVE summarizes:

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).

The advisory is available at oracle.com. This vulnerability is traded as CVE-2026-91486 since 09/15/2026. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/21/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Enterprise Resource Planning Software

Vendor

• Oracle

Name

• PeopleSoft Enterprise FIN General Ledger Brazil

Version

• 9.1

License

• commercial

Website

• Vendor: https://www.oracle.com

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