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PeopleSoft PeopleTools EUVDEUVD-2026-106442

| CVE-2026-87401 LOW
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-7874-mx4w-c5c7
3.3
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
    Authenticate with low-privileged PeopleTools account
  2. Exploit
    Access XML Publisher component locally
  3. Execution
    Trigger improper access control
  4. Impact
    Read subset of restricted 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

Exploitation requires the attacker to already have a valid low-privileged logon (PR:L) to the infrastructure where PeopleSoft Enterprise PeopleTools executes, and to interact with the XML Publisher component locally (AV:L) - there is no remote or unauthenticated path. Limiting factors: only PeopleTools versions 8.61 through 8.63 are affected; the attacker must hold existing credentials; and the outcome is restricted to unauthorized read access to a subset of PeopleTools data (no write/integrity or availability impact), which bounds realistic damage. No end-user interaction is needed (UI:N).

Impact

This is a low-severity, low-priority issue despite being an Oracle Critical Patch Update item. The CVSS 3.1 base score of 3.3 (LOW) is consistent across all signals: the vector (AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) describes a LOCAL attack vector requiring an already-authenticated low-privileged account, yielding only partial (Low) confidentiality disclosure with no integrity or availability impact. No EPSS score was provided in the input, so exploitation probability cannot be quantified. The CVE is NOT on CISA KEV and no public exploit code is referenced, so there is no public exploit identified at time of analysis. The SSVC framework is not supplied, but the technical impact is partial and the attack is not automatable (requires interactive local logon), reinforcing a low real-world priority. One data conflict must be flagged: the input Tags include 'Authentication Bypass,' which contradicts the CVSS vector's PR:L (authentication IS required) and the description's limited read-only impact - this appears to be a mislabeled tag and should not drive triage. Overall this is a genuinely low-risk information-disclosure flaw, not a high-CVSS-but-overstated issue; it is correctly scored low.

Exploit ScenarioDerived

An attacker who already holds a valid low-privileged PeopleSoft/PeopleTools application or infrastructure account logs in and abuses the XML Publisher component to read a subset of data they should not have access to. Because the vector is local (AV:L) and only partial confidentiality is impacted, the result is limited unauthorized read access rather than full compromise. No public proof-of-concept exploit is referenced in the available data.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Unauthorized read access to a subset of PeopleSoft PeopleTools data is possible for low-privileged users who can log on locally to the infrastructure running the XML Publisher component in versions 8.61 through 8.63. The assessed CVSS 3.1 vector (AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) requires an existing low-privileged credential and local access, with no integrity or availability impact. No public exploit identified at time of analysis, and KEV status is not indicated.

RemediationAI

Apply the October 2026 Oracle Critical Patch Update for PeopleSoft Enterprise PeopleTools, following the vendor advisory at https://www.oracle.com/security-alerts/cpuoct2026.html; no exact patched build number is provided in the available data, so patch availability should be confirmed against that advisory. If the CPU cannot be applied immediately, reduce exposure by restricting local logon access to the PeopleTools infrastructure to trusted low-privileged accounts, reviewing XML Publisher access and data visibility for unnecessary read permissions, and monitoring for unusual read activity by low-privileged users. The trade-off is that tighter account and permission restrictions can disrupt legitimate business users, while read-activity monitoring adds operational overhead. No public exploit identified at time of analysis.

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

The affected component is XML Publisher within Oracle PeopleSoft Enterprise PeopleTools, a platform layer used by PeopleSoft applications. The authoritative CVSS vector describes a local attack path (AV:L) requiring a valid low-privileged logon (PR:L) and no user interaction (UI:N), producing only limited confidentiality impact (C:L). The CWE is not provided, so the precise root-cause class cannot be confirmed; the source tags include Authentication Bypass and Oracle, but the assessed vector does not support an unauthenticated bypass because exploitation requires existing credentials and local access. The issue is bounded to PeopleTools 8.61 through 8.63 and to read access to a subset of PeopleTools-accessible data.

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Severity by source

Vendor (oracle) PRIMARY 3.3 LOW
AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI 3.3 LOW

Requires an authenticated low-privileged local logon (AV:L, PR:L), no user interaction, yielding only partial read access (C:L) with no integrity or availability impact.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

DescriptionCVE.org

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: XML Publisher). Supported versions that are affected are 8.61-8.63. Easily exploitable 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 read access to a subset of PeopleSoft Enterprise PeopleTools accessible data. CVSS 3.1 Base Score 3.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.1%
Top 97% exploitable
Prevalence
Medium
widely-used enterprise ERP/HRMS suite, common in large orgs but not everywhere
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 LOW
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

16
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +16
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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

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