CVE-2026-101487

Modified Modified - Updated After Analysis

Cross-Site Scripting in Oracle PeopleSoft Enterprise PeopleTools

Publication date: 2026-10-20

Last updated on: 2026-11-06

Assigner: Oracle

Description

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Portal). Supported versions that are affected are 8.61-8.63. Easily exploitable vulnerability allows low privileged 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 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-06

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101487

EUVD

EUVD-2026-105903

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 via HTTP to potentially compromise the system. Exploitation requires human interaction from another user and can lead to unauthorized data access or modifications.

Detection Guidance

This vulnerability is specific to Oracle PeopleSoft Enterprise PeopleTools versions 8.61-8.63 and requires HTTP network access. Detection should focus on identifying outdated PeopleSoft versions or unusual HTTP traffic patterns. Check PeopleSoft logs for unauthorized data access attempts or modifications. Review system configurations for exposed PeopleSoft portals.

Impact Analysis

An attacker could read or modify some data in PeopleSoft Enterprise PeopleTools, potentially affecting business operations. The impact is limited to data accessible through the tool and requires user interaction to exploit.

Compliance Impact

This vulnerability could lead to unauthorized data access or modifications, which may violate compliance requirements for GDPR, HIPAA, or other regulations. Unauthorized data exposure or tampering could result in legal penalties or loss of certification.

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 access to trusted sources only. Monitor for unauthorized data access or modifications in PeopleTools data.

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