CVE-2026-91263

Modified Modified - Updated After Analysis

Authentication Bypass in PeopleSoft Enterprise PeopleTools

Publication date: 2026-10-20

Last updated on: 2026-10-28

Assigner: Oracle

Description

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Notification Configuration). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. While the vulnerability is in PeopleSoft Enterprise PeopleTools, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 4.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N).

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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-2026-91263

EUVD

EUVD-2026-106517

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	peoplesoft_enterprise_peopletools	From 8.61 (inc) to 8.63 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle PeopleSoft Enterprise PeopleTools versions 8.61-8.63. It allows a low-privileged attacker with network access to potentially compromise the system. The vulnerability enables unauthorized read, update, insert, or delete access to some data within PeopleSoft Enterprise PeopleTools.

Detection Guidance

Detection requires checking for vulnerable versions of PeopleSoft Enterprise PeopleTools (8.61-8.63). Inspect installed versions via PeopleSoft application logs or system inventory tools. Monitor HTTP traffic for unusual requests targeting PeopleTools components. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to access, modify, or delete sensitive data within PeopleSoft Enterprise PeopleTools. This may lead to data breaches, unauthorized changes, or loss of data integrity, depending on the system's configuration and data stored.

Compliance Impact

This vulnerability allows unauthorized read, update, insert, or delete access to some PeopleSoft Enterprise PeopleTools data. This could lead to unauthorized access to sensitive personal or health data, which may violate GDPR or HIPAA compliance if such data is compromised.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for PeopleSoft Enterprise PeopleTools versions 8.61-8.63 to address the vulnerability in the Notification Configuration component.

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