CVE-2026-87345

Modified Modified - Updated After Analysis

Cross-Site Scripting in Oracle 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: Business Interlink). Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks require human interaction from a person other than the attacker and 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

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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-2026-87345

EUVD

EUVD-2026-106386

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-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle PeopleSoft Enterprise PeopleTools versions 8.61-8.63. It allows an unauthenticated attacker to remotely access and compromise the system via HTTP. Exploitation requires human interaction from a victim and can lead to unauthorized data access or modification.

Detection Guidance

This vulnerability requires human interaction and involves HTTP access to PeopleSoft Enterprise PeopleTools versions 8.61-8.63. Detection may involve monitoring HTTP traffic for unusual requests targeting PeopleSoft components or checking for unauthorized data access patterns in logs.

Impact Analysis

An attacker could read or alter some of your PeopleSoft Enterprise PeopleTools data without authorization. This may disrupt operations or expose sensitive information. The impact depends on the data stored in the affected system.

Compliance Impact

This vulnerability allows unauthorized read access and limited data modification in PeopleSoft Enterprise PeopleTools. Such unauthorized access could lead to exposure of sensitive personal or health data, which may violate GDPR (data protection) and HIPAA (health information privacy) compliance requirements depending on the data processed.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for PeopleSoft Enterprise PeopleTools versions 8.61-8.63. Ensure network access controls restrict HTTP traffic to trusted sources only. Monitor for unauthorized data access or modifications in PeopleSoft Enterprise PeopleTools.

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