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PeopleSoft PeopleTools EUVDEUVD-2026-105907

| CVE-2026-101491 MEDIUM
Incorrect Authorization (CWE-863)
2026-10-20 secalert_us@oracle.com GHSA-crx2-v9xw-6x49
5.0
CVSS 3.1 · NVD
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Attack ChainAIDerived

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

  1. Access
    Authenticate with low-privileged account
  2. Exploit
    Send crafted HTTP request to Query component
  3. Execution
    Abuse scope-change flaw across products
  4. Impact
    Read unauthorized subset of data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

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

Exploitation Conditions

Exploitation requires a valid low-privileged PeopleSoft Enterprise PeopleTools account (CVSS PR:L) with network/HTTP access to the Query component on affected versions 8.61 through 8.63. No user interaction is needed (UI:N) and complexity is low (AC:L), but the authentication prerequisite is the primary limiting factor - fully unauthenticated attackers cannot exploit it. Impact is bounded to unauthorized read access to a subset of data; however, the scope change (S:C) means disclosure may extend to additional products integrated with PeopleTools, raising the stakes in environments where PeopleSoft shares data with other Oracle components.

Impact

This is a moderate-severity information-disclosure issue (Oracle CVSS 3.1 base 5.0) that should be patched in the normal Critical Patch Update cycle rather than treated as an emergency. The CVSS vector (AV:N/AC:L/PR:L/UI:N) indicates network-reachable, low-complexity exploitation, but PR:L means the attacker must already hold a valid low-privileged PeopleSoft account, which meaningfully constrains the threat to authenticated users (insiders or attackers who have already obtained credentials). Impact is limited to C:L (read access to a subset of data) with no integrity or availability impact, so this is disclosure, not compromise. The scope change (S:C) is the notable aggravator - Oracle states attacks may significantly impact additional products beyond PeopleTools - which is why the score is elevated above a simple C:L finding. No EPSS score, CISA KEV listing, or public POC is present in the supplied data, so there is no evidence of active or imminent exploitation; this reads as a real but non-urgent priority. One data conflict must be flagged: the input Tag 'Authentication Bypass' contradicts the CVSS vector and description, which clearly require an authenticated low-privileged account (PR:L) and describe read access only - this is an authenticated information-disclosure flaw, not an authentication bypass. Verify with the Oracle CPU advisory before categorizing.

Exploit ScenarioDerived

An attacker holding a low-privileged PeopleSoft application account sends crafted HTTP requests to the Query component and retrieves data they are not authorized to read, including information belonging to other products affected by the scope change. No user interaction is required and exploitation is low-complexity, but valid credentials are a prerequisite. No public exploit code was identified at time of analysis.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

An authenticated low-privileged user of Oracle PeopleSoft Enterprise PeopleTools 8.61 through 8.63 can exploit the Query component over HTTP to read a limited subset of application data, with scope change potentially exposing data in integrated products. Oracle rates this information-disclosure issue at CVSS 3.1 base 5.0; no public exploit was identified at time of analysis, and remediation is available through Oracle's October 2026 Critical Patch Update.

RemediationAI

Apply the Oracle Critical Patch Update (CPU) for October 2026 to PeopleSoft Enterprise PeopleTools 8.61 through 8.63; the provided data does not specify an exact patched build, so confirm the applicable fixed release in Oracle's advisory at https://www.oracle.com/security-alerts/cpuoct2026.html before upgrading. As compensating controls, restrict HTTP access to the Query component to trusted networks or users, reduce the number of low-privileged accounts with Query access, and review Query permissions for least privilege; each of these can disrupt legitimate reporting or ad hoc query workflows. Monitor PeopleTools and web server logs for unusual Query access by low-privileged users, particularly activity that could indicate scope-crossing data access, and validate that integrated products do not expose sensitive data through PeopleSoft queries.

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 the runtime and development platform underlying Oracle PeopleSoft applications, and its Query component provides users with access to predefined and ad hoc query functionality over HTTP. The assigned CVSS vector (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N) indicates a low-complexity network attack that requires a valid low-privileged PeopleSoft account and no user interaction, producing limited confidentiality impact. Although the source tags mention Authentication Bypass, the assessed vector requires PR:L, so this is not an unauthenticated bypass; the weakness is better characterized as insufficient authorization or access control within the Query component. The scope change (S:C) means a successful attack could affect resources beyond the vulnerable component, potentially including other products integrated with PeopleTools. No CWE identifier was provided, so the precise root-cause class cannot be confirmed from the available data.

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Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
vuln.today AI 5.0 MEDIUM

Network HTTP access with low complexity and no interaction, but a low-privileged account is required (PR:L); read-only disclosure with cross-product scope change gives C:L/S:C and I/A:N.

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

Primary rating from NVD.

CVSS VectorNVD

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

DescriptionNVD

Vulnerability in the PeopleSoft Enterprise PeopleTools product of Oracle PeopleSoft (component: Query). 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. While the vulnerability is in PeopleSoft Enterprise PeopleTools, attacks may significantly impact additional products (scope change). 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 5.0 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).

Threat Intelligence Overview

EPSS Score
0.3%
Top 79% exploitable
Prevalence
Medium
widely-used enterprise ERP/HR suite but confined to specific vendor deployments
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 0.3%
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

25
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +25
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.

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