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Oracle PeopleSoft CVE-2026-61234

| EUVDEUVD-2026-47426 HIGH
Improper Access Control (CWE-284)
2026-07-21 secalert_us@oracle.com GHSA-r5vx-xgm6-3m2r
7.4
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
    Reach exposed PeopleSoft PIA over HTTP
  2. Delivery
    Craft request to eProcurement endpoint
  3. Exploit
    Bypass authorization (AC:H precondition)
  4. Execution
    Read or modify Brazil module data
  5. Impact
    Unauthorized data disclosure and tampering

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 network HTTP access to the PeopleSoft Internet Architecture web tier hosting the eProcurement component of FIN Common Objects Brazil 9.1; no authentication and no user interaction are needed (PR:N/UI:N). The key limiting factor is High attack complexity (AC:H): Oracle labels it 'difficult to exploit,' indicating a condition outside the attacker's direct control (specific configuration, state, or timing) must hold. Exploitation is further limited to deployments that actually run the Brazil localization pack version 9.1 and expose eProcurement, and impact is confined to confidentiality and integrity of module-accessible data (A:N - no availability or denial-of-service effect).

Impact

Signals point to elevated-but-not-emergency priority. The CVSS 7.4 is driven by high C and I impact with unauthenticated network reach (AV:N/PR:N/UI:N), which normally indicates high priority, but High attack complexity (AC:H) materially lowers exploitability - Oracle explicitly calls it 'difficult to exploit,' implying a special condition or timing the attacker cannot fully control. No EPSS score, KEV entry, POC, or SSVC decision data is supplied, so automatability and in-the-wild exploitation cannot be assessed and must not be assumed. The 'Authentication Bypass' tag partially conflicts with a purely data-access description - verify the true impact scope with Oracle. Net: a real patch-worthy issue for internet-exposed PeopleSoft financials, but AC:H plus the absence of any exploitation evidence argue against treating it as an active-exploitation crisis.

Exploit ScenarioDerived

An attacker who can reach the PeopleSoft PIA web tier over HTTP sends a specially crafted request to the eProcurement component and, without any credentials, retrieves or alters financial and procurement records in the Brazil Common Objects module. The High attack complexity means the attacker likely must satisfy a non-trivial precondition or race, and no public POC is currently identified, so opportunistic mass exploitation is less likely than targeted attempts.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 22, 2026

Data compromise in Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 (eProcurement component) lets a remote unauthenticated attacker read, create, modify, or delete all data accessible to the module over HTTP. The flaw is rated CVSS 3.1 7.4 with high confidentiality and integrity impact but no availability impact, and is difficult to exploit (AC:H); no public exploit identified at time of analysis and it is not listed in CISA KEV. The vendor advisory ties the fix to the Oracle July 2026 Critical Patch Update.

RemediationAI

Apply the fix delivered in the Oracle Critical Patch Update of July 2026 (Patch available per vendor advisory - no discrete fix version number is published in the input beyond the CPU); consult https://www.oracle.com/security-alerts/cpujul2026.html for the exact patch set and PeopleTools bundle applicable to FIN Common Objects Brazil 9.1. Until the CPU is applied, reduce exposure by removing the PeopleSoft Internet Architecture web tier and the eProcurement endpoints from direct internet reachability, placing them behind a VPN or WAF and restricting access to trusted networks; note this can break external supplier self-service access to eProcurement, so validate business impact before enforcing. Because the flaw is unauthenticated, network-layer access restriction is the most reliable compensating control while patching is scheduled.

Affected VersionsENISA

PeopleSoft Enterprise FIN Common Objects Brazil 9.1

Affected Packages

euvd peoplesoft_enterprise_fin_common_objects_brazil 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 is Oracle's enterprise ERP suite; the affected element is the FIN (Financials) Common Objects Brazil localization pack, specifically its eProcurement component handling supplier and purchasing workflows exposed through the PeopleSoft Internet Architecture (PIA) web tier. The attack surface is an HTTP-facing servlet/endpoint reachable without a session, consistent with the AV:N/PR:N vector. Oracle assigns no CWE (CWE: N/A); the reporter tag 'Authentication Bypass' together with the unauthenticated-yet-high-impact profile points to an access-control or authorization weakness (CWE-284/CWE-863 class) rather than memory corruption, but the exact root cause is not confirmed in the provided data.

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Severity by source

Vendor (oracle) PRIMARY 7.4 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
vuln.today AI 7.4 HIGH

Unauthenticated HTTP-reachable endpoint (AV:N/PR:N/UI:N) with high data read and modification impact (C:H/I:H) but no availability effect; vendor-stated difficulty gives AC:H.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

DescriptionCVE.org

Vulnerability in the PeopleSoft Enterprise FIN Common Objects Brazil product of Oracle PeopleSoft (component: eProcurement). The supported version that is affected is 9.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise FIN Common Objects Brazil. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all PeopleSoft Enterprise FIN Common Objects Brazil accessible data as well as unauthorized access to critical data or complete access to all PeopleSoft Enterprise FIN Common Objects Brazil accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

Executive ViewAI

Why It Matters

Oracle PeopleSoft Enterprise FIN Common Objects Brazil 9.1 (eProcurement) contains a remote authentication bypass allowing unauthorized read, create, modify, and delete operations on all data within the module. Organizations operating this component face exposure of sensitive financial and procurement data, with potential for unauthorized transactions and data theft without remediation.

Business Impact: High
Compensating Controls

Apply vendor patch: Oracle July 2026 Critical Patch Update.

Threat Intelligence Overview

EPSS Score
0.3%
Top 76% exploitable
Prevalence
Medium
PeopleSoft is common enterprise ERP, but Brazil localization module narrows footprint
Data Quality
5 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 HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +37
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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