Skip to main content

PeopleSoft FIN Argentina EUVDEUVD-2026-106714

| CVE-2026-91466 MEDIUM
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-9hgj-4vj4-58v7
6.4
CVSS 3.1 · Vendor: oracle
View

Attack ChainAIDerived

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

  1. Access
    Authenticate with high-privilege PeopleSoft account
  2. Delivery
    Craft malicious HTTP request/link
  3. Exploit
    Induce victim user interaction
  4. Execution
    Exploit Asset Management flaw
  5. Impact
    Read/modify/delete critical financial 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 an attacker to already hold a HIGH-privilege authenticated account on PeopleSoft Enterprise FIN Common Objects Argentina (per PR:H) AND requires separate human interaction from a victim other than the attacker (per UI:R), such as a legitimate user opening a crafted link or acting on an attacker-supplied request. The affected scope is limited to the Asset Management component of the Argentina FIN Common Objects localization in supported version 9.1 only. These two factors - mandatory elevated privileges and required second-party user interaction - are the primary limiters and prevent remote unauthenticated or fully automated exploitation; organizations not deploying the Argentina localization module are not exposed.

Impact

This is a moderate-priority issue (CVSS 3.1 6.4, Medium) best characterized as a high-CVSS-rated flaw with real-world limiting factors rather than an urgent emergency. The CVSS vector (AV:N/AC:L/PR:H/UI:R) shows that although the attack is delivered over the network (HTTP) with low complexity, it requires BOTH high privileges (PR:H - an already-trusted, highly-privileged PeopleSoft account) AND human interaction from a victim other than the attacker (UI:R). These two prerequisites substantially narrow the realistic attacker population to malicious or compromised privileged insiders, or an attacker who has already obtained admin-level credentials. No EPSS score was provided in the input, the CVE is NOT listed in CISA KEV, and no public proof-of-concept is referenced - so there is no public exploit identified at time of analysis. No SSVC decision data was supplied. The one notable data conflict: the input Tags include 'Authentication Bypass,' which directly contradicts the CVSS requirement for PR:H (high privileges) - a genuine authentication bypass would be PR:N. This tag appears mislabeled and should not drive prioritization. Net: patch in the normal Oracle CPU cycle; the privilege-and-interaction barrier makes mass exploitation unlikely.

Exploit ScenarioDerived

A PeopleSoft user holding high-privilege access to the FIN Common Objects Argentina / Asset Management module crafts a malicious request or link and induces another legitimate user to interact with it over HTTP, causing unauthorized read, modification, or deletion of critical financial/asset data and a partial denial of service. Because the attacker must already possess elevated privileges and must trick a second human into acting, this is most realistic as an insider-abuse or post-credential-compromise scenario. No public exploit code is referenced in the available data.

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

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Oct 21, 2026

High-privileged users of Oracle PeopleSoft Enterprise FIN Common Objects Argentina 9.1 can abuse the Asset Management component over HTTP to create, delete, or modify critical records, read data they should not reach, and partially disrupt availability of the module (CVSS 3.1 6.4, Medium). Exploitation is gated by two hard preconditions: the attacker must already hold a high-privilege authenticated account (PR:H) and a separate victim must be induced to interact with the attack (UI:R), so this cannot be triggered unauthenticated or fully automated. No public exploit code was identified and there is no CISA KEV confirmation of active exploitation at time of analysis; the practical exposure is confined to organizations running the Argentina localization of FIN Common Objects on version 9.1.

RemediationAI

Patch status: Patch available per vendor advisory - Oracle addresses this in its October 2026 Critical Patch Update (https://www.oracle.com/security-alerts/cpuoct2026.html); apply the CPU-specified replacement build or patch set for PeopleSoft Enterprise FIN Common Objects Argentina 9.1 as listed there, since the available data does not name an exact patched version string and you should not assume one. Prioritize this in your normal CPU cycle rather than as an emergency, given the PR:H/UI:R preconditions, but do not defer indefinitely - the Asset Management data is financially material. Compensating controls while the patch is staged: if the Argentina localization is not operationally required, deactivate the affected Asset Management component and its PeopleSoft portal menu registrations (trade-off: loses Argentina statutory asset accounting functionality entirely); restrict HTTP access to the PeopleSoft web tier to trusted network ranges or VPN via reverse proxy or WAF rules (trade-off: breaks remote and mobile user access for all FIN users, not just this module); reduce the population holding high-privilege Asset Management roles to least-privilege minimum and audit those accounts for anomalous create/delete/modify activity in Asset Management audit tables (trade-off: administrative overhead and possible segregation-of-duties conflicts); apply rate limiting and request-inspection rules at the WAF to blunt the partial-DoS component and to flag crafted-link patterns (trade-off: tuning required, false positives possible); and run user awareness messaging specifically against clicking unsolicited links or acting on unexpected asset-related requests, since exploitation hinges on second-party interaction. Monitor PeopleSoft security and audit logs for unusual Asset Management transactions initiated shortly after a privileged login by another user.

Affected VersionsENISA

PeopleSoft Enterprise FIN Common Objects Argentina 9.1

Affected Packages

euvd peoplesoft_enterprise_fin_common_objects_argentina 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 FIN Common Objects is the shared foundation layer underneath Oracle's PeopleSoft Financials modules, and the Argentina localization variant layers country-specific statutory and accounting logic - including Asset Management - on top of that base. The flaw is reachable through the standard PeopleSoft web tier over HTTP (AV:N), which means the attack surface is the same browser-facing application server that serves ordinary business users rather than a separate back-end service. The assessed vector (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L) describes a logic/authorization class of defect rather than a memory-safety issue: a privileged session combined with a crafted request or link that a second party must act on allows the attacker to bypass intended controls on Asset Management transactions, yielding high confidentiality and integrity impact plus limited availability impact within the unchanged scope of the same component. No CWE identifier was supplied by the reporter, so the root-cause class is inferred from the vector and impact profile rather than stated explicitly. Third-party tagging lists 'Authentication Bypass' and 'Denial Of Service'; treat the authentication-bypass label with caution, because the authoritative vector requires PR:H - existing elevated privileges - rather than a genuine pre-auth bypass, and the 'Denial Of Service' label corresponds only to the partial availability (A:L) component, not a full outage capability.

Know when the next one hits your stack

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

Vendor (oracle) PRIMARY 6.4 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
vuln.today AI 6.4 MEDIUM

Network HTTP access with low complexity, but PR:H for the required privileged account and UI:R for mandatory victim interaction; high C/I impact with only partial (Low) availability impact.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

DescriptionCVE.org

Vulnerability in the PeopleSoft Enterprise FIN Common Objects Argentina product of Oracle PeopleSoft (component: Asset Management). The supported version that is affected is 9.1. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise PeopleSoft Enterprise FIN Common Objects Argentina. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all PeopleSoft Enterprise FIN Common Objects Argentina accessible data as well as unauthorized access to critical data or complete access to all PeopleSoft Enterprise FIN Common Objects Argentina accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of PeopleSoft Enterprise FIN Common Objects Argentina. CVSS 3.1 Base Score 6.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L).

Threat Intelligence Overview

EPSS Score
0.3%
Top 84% exploitable
Prevalence
Medium
Country-specific Argentina localization module within widely-deployed Oracle PeopleSoft ERP
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

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

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy