CVE-2026-87350

Modified Modified - Updated After Analysis

Security Bypass in Oracle PeopleSoft 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: Security). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where PeopleSoft Enterprise PeopleTools executes 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 and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 4.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L).

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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-2026-87350

EUVD

EUVD-2026-106391

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-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 system access to exploit a flaw in the Security component. The attack requires local logon but can lead to unauthorized data access or modification, as well as partial denial of service.

Detection Guidance

Detection requires checking for unauthorized access or modifications in PeopleSoft Enterprise PeopleTools. Monitor logs for unusual activity in the Security component. Review database changes and access patterns for low-privileged users attempting to alter data or cause disruptions.

Impact Analysis

If you use PeopleSoft Enterprise PeopleTools versions 8.61-8.63, an attacker with local access could read, modify, or delete sensitive data. They could also disrupt system operations, causing partial outages. The impact is limited to data accessible through PeopleTools.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, which may violate GDPR (data protection) or HIPAA (health data privacy) requirements. Organizations using affected versions must assess potential compliance risks and apply patches promptly.

Mitigation Strategies

Apply Oracle's security patches for PeopleSoft Enterprise PeopleTools versions 8.61-8.63. Restrict logon privileges to only necessary users. Implement stricter access controls for the Security component. Monitor and audit database activity for suspicious changes or access attempts.

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