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PeopleSoft PeopleTools CVE-2026-87409

| EUVDEUVD-2026-106448 MEDIUM
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-3fpq-8m2v-c2j6
6.5
CVSS 3.1 · Vendor: oracle
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain low-privileged PeopleSoft account
  2. Delivery
    Reach nVision over HTTP
  3. Exploit
    Send crafted nVision request
  4. Execution
    Bypass data access controls
  5. Impact
    Exfiltrate critical PeopleTools data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires an authenticated low-privileged account on PeopleSoft Enterprise PeopleTools (PR:L) with network HTTP access to the nVision reporting component; affected builds are PeopleTools 8.61 through 8.63. Limiting factors: exploitation is not possible pre-authentication, so an existing valid account or credential compromise is a prerequisite, and only instances running the affected nVision component in these versions are exposed. No user interaction is needed (UI:N), and impact is limited to data disclosure (confidentiality only), not modification or disruption.

Impact

This is a moderate-severity, authenticated information-disclosure flaw rather than a top-tier emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, score 6.5) signals network-reachable, low-complexity exploitation but explicitly requires low-level privileges (PR:L) - so an attacker needs an existing authenticated foothold, which meaningfully lowers real-world risk versus a pre-auth bug. Impact is confined to confidentiality (C:H, I:N, A:N): data exposure only, no integrity or availability loss. No EPSS score, CISA KEV listing, or public POC is present in the provided data, so there is no public exploit identified at time of analysis and no evidence of active exploitation. CONFLICTING SIGNAL: the input Tags include 'Authentication Bypass,' which contradicts the CVSS PR:L requirement for authenticated access - Oracle's own vector indicates privileges are required, so the 'Authentication Bypass' characterization appears inaccurate and should be verified against the Oracle CPU advisory. Overall this is a credible but not urgent priority: patch in the normal Oracle quarterly cycle, prioritized for internet-exposed PeopleSoft instances with many low-privilege users.

Exploit ScenarioDerived

A low-privileged but authenticated PeopleSoft user (or an attacker who has phished/obtained any valid low-tier account) sends crafted HTTP requests to the nVision reporting component and retrieves data they should not be able to access, up to all PeopleTools-accessible data. Because attack complexity is low and the vector is network-based, exploitation is straightforward once a foothold exists, though no public proof-of-concept is currently identified.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Information disclosure in Oracle PeopleSoft Enterprise PeopleTools 8.61-8.63 allows an authenticated low-privileged user with HTTP access to the nVision component to read data beyond their intended privileges, up to all PeopleTools-accessible data. The flaw is rated CVSS 6.5 with confidentiality-only impact and requires a valid account, so it is not exploitable pre-authentication. No public exploit code or CISA KEV entry was identified in the supplied intelligence, and the primary remediation is Oracle's October 2026 Critical Patch Update.

RemediationAI

Patch available per vendor advisory: apply the Oracle Critical Patch Update for October 2026 to PeopleSoft Enterprise PeopleTools 8.61-8.63, using the PeopleTools patch level specified at https://www.oracle.com/security-alerts/cpuoct2026.html because the supplied data does not identify an exact fixed build. Because exploitation requires a valid low-privilege account, reduce exposure by reviewing and removing unnecessary PeopleSoft accounts, restricting HTTP access to nVision reporting endpoints to trusted networks or users, and auditing nVision report and query permissions for over-broad data access; these controls can break legitimate reporting workflows, so stage them before enforcement. If nVision is not required, disable or block its endpoints at the web tier as a compensating control, with the side effect of removing financial reporting functionality, and monitor PeopleSoft web and nVision logs for anomalous report requests from low-privileged users.

Affected VersionsENISA

PeopleSoft Enterprise PeopleTools 8.61 ≤8.63

Affected Packages

euvd peoplesoft_enterprise_peopletools no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

PeopleSoft Enterprise PeopleTools is Oracle's application development and runtime platform for PeopleSoft applications, and nVision is its financial reporting and spreadsheet/query engine that processes report requests over HTTP. The assigned vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) and the 'Authentication Bypass' tag point to an access-control/authorization weakness in nVision rather than a pre-authentication flaw: a logged-in low-privilege user can cause nVision to return data outside their authorized scope. No CWE identifier was supplied, but the behavior is consistent with improper authorization or information exposure in a reporting component; there is no integrity or availability impact in the assessed vector. The affected builds are PeopleTools 8.61 through 8.63, and no CPE strings were included in the supplied data.

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Severity by source

Vendor (oracle) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 6.5 MEDIUM

Network HTTP reach and low complexity, but a valid low-privileged account is required (PR:L); impact is confidentiality-only (C:H, I:N, A:N) with no scope change.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: nVision). 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 of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.4%
Top 72% exploitable
Prevalence
Medium
Oracle ERP/HCM suite common in large enterprises, government, and higher-ed
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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