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PeopleSoft PeopleTools EUVDEUVD-2026-106756

| CVE-2026-91519 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-cf9q-vcfx-wr2m
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
    Authenticate as low-privileged PeopleSoft user
  2. Exploit
    Send crafted HTTP request to Report Distribution
  3. Execution
    Bypass report access controls
  4. Impact
    Exfiltrate unauthorized critical data

Vulnerability Assessment

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

1 technique across 1 tactic: Defense Evasion

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

Exploitation Conditions

Requires a valid low-privileged account on the target PeopleSoft Enterprise PeopleTools instance (PR:L) reachable over HTTP, with the Report Distribution component in use - the standard mechanism for distributing Process Scheduler report output. LIMITING FACTORS: the attacker must already authenticate (no anonymous/unauthenticated path per CVSS PR:L), only PeopleTools versions 8.61 through 8.63 are affected, and impact is confined to confidentiality (unauthorized read of critical data) with no integrity or availability effect. Internet-exposed portals that allow broad self-service logins materially increase exposure; internal-only instances limit the attacker population to insiders.

Impact

This is a moderate-priority issue, not 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, base 6.5) indicates a network-reachable, low-complexity flaw requiring only low-privileged authentication (PR:L) and no user interaction, yielding high confidentiality impact but zero integrity or availability impact - a pure data-disclosure bug. No EPSS score, SSVC decision, KEV listing, or POC was provided in the input, so there is no public exploitation signal: exploitation status is 'no public exploit identified at time of analysis.' CONFLICT TO NOTE: the input Tag 'Authentication Bypass' contradicts the CVSS PR:L metric, which explicitly requires the attacker to already hold valid low-level credentials - a genuine authentication bypass would imply PR:N. Treat the 'Authentication Bypass' tag as unverified; the authoritative Oracle/CVSS data describes an authenticated, privilege-holding attacker. Because the flaw requires an existing account on the PeopleSoft instance and yields only confidentiality loss, real-world risk is elevated for internet-exposed PeopleSoft portals with broad self-service user populations but lower for internal-only deployments. Verify EPSS and any emerging POC before final prioritization.

Exploit ScenarioDerived

An attacker who holds a low-privileged PeopleSoft account (e.g., a self-service or guest-tier user) sends crafted HTTP requests to the Report Distribution component to read reports and data they are not authorized to see. No public exploit code is identified at time of analysis, and the attack needs no user interaction or elevated privileges, making it feasible against any internet-facing PeopleSoft portal that permits low-tier logins.

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 20, 2026

Authenticated data exposure in Oracle PeopleSoft Enterprise PeopleTools 8.61 through 8.63 lets a low-privileged user with HTTP access read critical data through the Report Distribution component. CVSS 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) confines impact to confidentiality, and a valid account is required. No public exploit was identified at time of analysis.

RemediationAI

Apply Oracle's October 2026 Critical Patch Update for PeopleSoft Enterprise PeopleTools (https://www.oracle.com/security-alerts/cpuoct2026.html); the exact fixed build is not specified in the provided data, so confirm the minimum patched version in the advisory before rollout. If patching must be staged, restrict HTTP access to Report Distribution and Process Scheduler interfaces to trusted networks or VPN, accepting reduced remote-user availability; remove or tightly scope unnecessary low-privileged and self-service accounts, accepting some user-access friction; and monitor PeopleTools HTTP and report-distribution logs for anomalous retrieval by low-privileged users. These are compensating controls only, not substitutes for the vendor fix.

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 application platform underlying PeopleSoft systems, and its Report Distribution component manages delivery of Process Scheduler report output. The flaw is an HTTP-reachable access-control weakness affecting versions 8.61 through 8.63; per the authoritative assessment, an attacker must already hold a valid low-privileged account, and only confidentiality is impacted. The CVSS vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N indicates network reachability, low attack complexity, authenticated low privilege, no user interaction, and high confidentiality impact with no integrity or availability effect. No CWE was supplied, so the precise coding or design root cause is not confirmed. The 'Authentication Bypass' tag in the source feed should not be read as an unauthenticated path given PR:L and the assessment prerequisite.

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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

HTTP-reachable (AV:N) and easily exploitable (AC:L) but requires an existing low-privileged account (PR:L); confidentiality-only disclosure, so I:N/A:N.

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: Report Distribution). 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 PeopleSoft ERP is common in large enterprises, government, and universities
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.

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