Oracle PeopleSoft Enterprise FIN Manufacturing Brazil 9.1 Integration improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.80

Summaryinfo

A vulnerability marked as problematic has been reported in Oracle PeopleSoft Enterprise FIN Manufacturing Brazil 9.1. Impacted is an unknown function of the component Integration. Performing a manipulation results in improper authorization. This vulnerability is reported as CVE-2026-91559. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Oracle PeopleSoft Enterprise FIN Manufacturing Brazil 9.1. This affects an unknown code of the component Integration. 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. The summary by CVE is:

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

It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2026-91559 since 09/15/2026. The exploitability is told to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/21/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector (oracle): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/15/2026 CVE reserved
10/21/2026 +36 days Advisory disclosed
10/21/2026 +0 days VulDB entry created
10/21/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: oracle.com

Advisory: oracle.com
Status: Confirmed

CVE: CVE-2026-91559 (🔒)
GCVE (CVE): GCVE-0-2026-91559
GCVE (VulDB): GCVE-100-424407

Entryinfo

Created: 10/21/2026 07:22
Changes: 10/21/2026 07:22 (65)
Complete: 🔍
Cache ID: 216::103

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