CVE-2026-91497

Analyzed Analyzed - Analysis Complete

PeopleTools Unauthorized Data Manipulation Vulnerability

Publication date: 2026-10-20

Last updated on: 2026-10-27

Assigner: Oracle

Description

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Updates Environment Mgmt). 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 of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-10-27

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91497

EUVD

EUVD-2026-106742

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-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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 modify data in the PeopleTools component without proper authorization.

Detection Guidance

This vulnerability affects Oracle PeopleSoft Enterprise PeopleTools versions 8.61-8.63 and allows unauthenticated HTTP access to compromise data integrity. Detection should focus on monitoring HTTP traffic to PeopleSoft servers and checking for unauthorized data modifications. Review server logs for unusual update, insert, or delete operations in the PeopleTools environment management component.

Impact Analysis

An attacker could exploit this to alter or delete data in PeopleSoft Enterprise PeopleTools, potentially leading to data corruption, incorrect system behavior, or unauthorized changes to critical business information.

Compliance Impact

This vulnerability could impact compliance by allowing unauthorized data modifications, which may violate integrity requirements in GDPR or HIPAA. Unauthorized changes to sensitive data could lead to regulatory penalties or loss of compliance certification.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update for PeopleSoft Enterprise PeopleTools versions 8.61-8.63 to address the vulnerability. Ensure network access controls restrict HTTP access to trusted sources only.

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