CVE-2026-83427

Analyzed Analyzed - Analysis Complete

Remote Code Execution in Oracle PeopleSoft Enterprise PeopleTools

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: Multichannel Framework). Supported versions that are affected are 8.61-8.63. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise PeopleTools. Successful attacks of this vulnerability can result in takeover of PeopleSoft Enterprise PeopleTools. CVSS 3.1 Base Score 6.6 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H).

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-2026-83427

EUVD

EUVD-2026-106327

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 a high-privileged attacker with network access via HTTP to potentially take over the system. The attack is difficult to execute but could lead to full compromise of the PeopleSoft Enterprise PeopleTools.

Detection Guidance

Detection requires checking for vulnerable versions of PeopleSoft Enterprise PeopleTools (8.61-8.63). Inspect installed versions via PeopleSoft application logs or database queries. Monitor HTTP traffic for unusual requests targeting the Multichannel Framework component. Ensure access controls restrict high-privileged users to trusted networks only.

Impact Analysis

If exploited, this vulnerability could allow an attacker to take control of the PeopleSoft Enterprise PeopleTools system. This may result in unauthorized access to sensitive data, modification of system configurations, or disruption of services.

Compliance Impact

This vulnerability allows high privileged attackers to compromise PeopleSoft Enterprise PeopleTools, potentially leading to unauthorized access and control. Such breaches could result in exposure of sensitive data, which may violate compliance requirements under GDPR, HIPAA, or other regulations 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 to the Multichannel Framework component is restricted to trusted sources only. Review and enforce strict access controls for high-privileged accounts.

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