CVE-2026-87343

Modified Modified - Updated After Analysis

PeopleSoft Enterprise PeopleTools Information Disclosure and Modification

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: Portal). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/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-2026-87343

EUVD

EUVD-2026-106384

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 with network access via HTTP to potentially compromise the system. Successful exploitation could lead to unauthorized data access or modification.

Detection Guidance

Detection of this vulnerability requires checking for vulnerable versions of Oracle PeopleSoft Enterprise PeopleTools (8.61-8.63). Inspect system logs for unauthorized HTTP access attempts or unusual data modification patterns. Verify if the affected component (Portal) is exposed to the network.

Impact Analysis

An attacker could read or modify some PeopleSoft Enterprise PeopleTools data without authentication. This may include sensitive business or personal information stored in the system, depending on what data is accessible.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations using affected versions should assess potential data exposure risks.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for PeopleSoft Enterprise PeopleTools versions 8.61-8.63. Ensure network access to the HTTP interface is restricted to trusted sources only. Monitor for unauthorized data access or modifications in PeopleSoft applications.

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