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PeopleSoft Strategic Sourcing EUVDEUVD-2026-106727

| CVE-2026-91482 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-m366-pg3p-6527
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 bidder account
  2. Exploit
    Send crafted HTTP request to Bidder Registration
  3. Execution
    Bypass data access controls
  4. Impact
    Read confidential sourcing/supplier 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

Exploitation requires a valid low-privileged authenticated account on PeopleSoft Enterprise SCM Strategic Sourcing 9.2 (PR:L), reachable over the network via HTTP against the Bidder Registration component - the kind of account a registered supplier/bidder would hold. No user interaction is required (UI:N) and attack complexity is low (AC:L), but the authentication requirement is the primary limiting factor: this is not exploitable by a fully unauthenticated attacker despite the 'Authentication Bypass' tag. Impact is confined to confidentiality (C:H, I:N, A:N) - attackers can read but not modify or disrupt. Deployments that restrict network exposure of the bidder portal or do not run the Strategic Sourcing module are not affected.

Impact

This is a moderate-priority confidentiality 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, base 6.5) indicates a network-reachable, low-complexity attack requiring only low privileges and no user interaction, yielding complete read access to data accessible by the Strategic Sourcing application - but with zero integrity or availability impact (I:N/A:N), so it is a pure information-disclosure issue. No EPSS score, CISA KEV listing, or public POC was provided in the intelligence set, which means there is no evidence of active exploitation or weaponization; exploitation probability signals are simply absent rather than low. The combination of 'easily exploitable' (per Oracle's own language and AC:L) with a requirement for an authenticated low-privileged account (PR:L) suggests a realistic insider or compromised-credential threat model rather than mass unauthenticated internet-wide exploitation. One data conflict worth noting: the input Tags include 'Authentication Bypass,' yet the CVSS vector and description both require PR:L (an authenticated low-privileged attacker), which contradicts a true auth-bypass classification - verify with Oracle's advisory before treating this as pre-authentication.

Exploit ScenarioDerived

A low-privileged authenticated user - such as a registered bidder or supplier with a Bidder Registration account - sends crafted HTTP requests to the Strategic Sourcing module to read data they should not be able to access, exposing confidential bid, supplier, or procurement records. No user interaction or elevated privileges are needed (AC:L/PR:L/UI:N), making the attack straightforward for anyone holding a valid account. No public exploit code was identified at the time of analysis.

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

Information disclosure in Oracle PeopleSoft Enterprise SCM Strategic Sourcing 9.2 allows a low-privileged authenticated bidder or supplier account to read critical data beyond its intended scope through the Bidder Registration component over HTTP. Exploitation is straightforward (AC:L, UI:N) but gated by the need for a valid account, and the impact is confidentiality-only - data can be read, not altered or disrupted. No public exploit code or confirmed active exploitation has been identified at time of analysis; Oracle lists the fix in its October 2026 Critical Patch Update.

RemediationAI

Apply the Strategic Sourcing 9.2 update published in Oracle's October 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpuoct2026.html), which is the cited remediation reference for this CVE; Oracle CPUs are cumulative, so apply the current CPU level rather than a one-off fix. Because exploitation only requires an ordinary bidder account, patch priority should be driven by how widely the Bidder Registration portal is exposed and how many external supplier accounts exist. As interim compensating controls: restrict network access to the Bidder Registration endpoints to known supplier IP ranges or place the portal behind a VPN/reverse proxy with allow-listing (trade-off: slows or blocks legitimate supplier onboarding and self-service registration); disable or de-scope the self-registration workflow so accounts are provisioned only by procurement staff after vetting (trade-off: manual administrative overhead and slower vendor turnaround); and review PeopleSoft web/server access logs and query audit trails for authenticated bidder sessions retrieving records belonging to other bidders or internal sourcing data, which is the strongest available detection signal given that no public exploit code exists (trade-off: audit-log review is retrospective and cannot prevent first-pass disclosure). Note that restricting the portal does not remediate the underlying flaw - only the vendor patch does - and that integrity and availability are unaffected by this issue, so no data-integrity remediation step is required beyond the upgrade.

Affected VersionsENISA

PeopleSoft Enterprise SCM Strategic Sourcing 9.2

Affected Packages

euvd peoplesoft_enterprise_scm_strategic_sourcing 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 SCM Strategic Sourcing is Oracle's procurement/sourcing suite, and its Bidder Registration component is the supplier-facing self-service workflow through which external vendors create accounts, submit qualification data, and participate in sourcing events over HTTP. The flaw is an access-control weakness in that component: a user holding an ordinary supplier/bidder account can reach data records outside their own registration scope, yielding high confidentiality impact with no integrity or availability effect (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). No CWE was supplied by the vendor, so the root cause cannot be tied to a specific weakness class with certainty, but the accompanying 'Authentication Bypass' tag should be read as an authorization/permission bypass between authenticated users rather than a pre-authentication login bypass - the assessed vector explicitly requires PR:L, and the description confirms a 'low privileged attacker with network access via HTTP.' The practical risk therefore concentrates on horizontally escalating from one bidder's view of the portal to other bidders' or the institution's sourcing 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 vector with low complexity and no UI; PR:L because the description explicitly requires a low-privileged account; confidentiality-only impact (C:H, 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 SCM Strategic Sourcing product of Oracle PeopleSoft (component: Bidder Registration). The supported version that is affected is 9.2. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise SCM Strategic Sourcing. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all PeopleSoft Enterprise SCM Strategic Sourcing 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
Widely-used Oracle ERP suite, but specific SCM sourcing module only
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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