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JD Edwards EnterpriseOne CVE-2026-87306

| EUVDEUVD-2026-106347 HIGH
Information Exposure (CWE-200)
2026-10-20 secalert_us@oracle.com GHSA-7xhv-m3fc-2grw
8.1
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 JDENET network access
  2. Exploit
    Send crafted request to Interoperability SEC
  3. Execution
    Bypass authorization checks
  4. Impact
    Read/modify or delete critical EnterpriseOne data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

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 reachability to the JDENET communication service of JD Edwards EnterpriseOne Tools and the Interoperability SEC component, plus valid low-privileged credentials (CVSS PR:L) - it is not a pre-authentication attack despite the 'Authentication Bypass' tag. Affected versions are 9.2.0.0 through 9.2.26.5. No user interaction is needed (UI:N) and complexity is low (AC:L). Limiting factors: the attacker must first possess an authenticated account on the EnterpriseOne environment, and JDENET must be network-accessible to the attacker; environments that restrict JDENET exposure and tightly control account provisioning materially reduce realistic risk.

Impact

This is a credible high-priority patch target but not a confirmed emergency. The CVSS 3.1 base score is 8.1 with vector AV:N/AC:L/PR:L/UI:N - network-reachable over the JDENET protocol, low attack complexity, and only low-level privileges required, which Oracle characterizes as 'easily exploitable.' Impact is high to confidentiality and integrity (C:H/I:H) with no availability impact (A:N), consistent with unauthorized read and create/delete/modify of critical or all accessible data. No EPSS score, CISA KEV listing, or public POC is present in the provided data, so there is no evidence of active or imminent exploitation - exploitation status is 'no public exploit identified at time of analysis.' The one notable conflict: the input Tags include 'Authentication Bypass,' yet the CVSS vector specifies PR:L (a low-privileged, authenticated attacker), so this is privilege abuse by an authenticated actor rather than a true pre-auth bypass - verify with the Oracle CPU advisory before treating it as unauthenticated. Net: a strong candidate for prioritized patching in the October 2026 Oracle CPU cycle, but current real-world exploitation risk is unproven.

Exploit ScenarioDerived

An attacker who already holds low-privileged credentials on a JD Edwards EnterpriseOne Tools environment sends crafted traffic to the network-exposed JDENET service, abusing a flaw in the Interoperability SEC component to read and alter critical business data beyond their authorization level. No user interaction is required and attack complexity is low. No public exploit code is identified at the time of analysis.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Oracle JD Edwards EnterpriseOne Tools (Interoperability SEC) versions 9.2.0.0 through 9.2.26.5 allows a low-privileged authenticated attacker with network access to JDENET to create, delete, or modify critical data and read all data accessible to the application. The CVSS 3.1 score is 8.1 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N); no public exploit code or CISA KEV confirmation was identified at time of analysis. Despite an 'Authentication Bypass' tag, the assessed vector requires valid low-privileged credentials, making this a credible high-priority patch target but not a confirmed emergency.

RemediationAI

Apply the JD Edwards EnterpriseOne Tools patch from Oracle's October 2026 Critical Patch Update advisory at https://www.oracle.com/security-alerts/cpuoct2026.html; the supplied data does not identify an exact fixed version, so verify the minimum fixed release in the advisory before closing. Until patched, restrict network access to JDENET to known application and integration hosts using firewall rules or network segmentation, accepting that this can break legitimate integrations and remote clients. Enforce least privilege on EnterpriseOne accounts and review low-privileged users with Interoperability access, which limits blast radius but may require role cleanup. Monitor JDENET traffic and application audit logs for anomalous create, delete, or modify operations, recognizing that this is detective only and does not prevent exploitation.

Affected VersionsENISA

JD Edwards EnterpriseOne Tools 9.2.0.0 ≤9.2.26.5

Affected Packages

euvd jd_edwards_enterpriseone_tools 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

The affected component is Interoperability SEC within Oracle JD Edwards EnterpriseOne Tools, reached over JDENET. JDENET is the proprietary network service used for communications among EnterpriseOne components and clients, so exposing it beyond trusted integration networks increases attack surface. Oracle did not assign a CWE in the supplied data, and the precise programming flaw is undisclosed. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) indicates an authenticated, low-complexity network attack with no user interaction that compromises confidentiality and integrity but not availability; this aligns with the independent assessment that valid low-privileged credentials are required and that the 'Authentication Bypass' tag should not be read as pre-auth exploitation.

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Severity by source

Vendor (oracle) PRIMARY 8.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
vuln.today AI 8.1 HIGH

Network-exposed JDENET service (AV:N) with low complexity and an authenticated low-privileged account (PR:L); high confidentiality and integrity impact, no availability impact (A:N).

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/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
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

DescriptionCVE.org

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Interoperability SEC). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows low privileged attacker with network access via JDENET to compromise JD Edwards EnterpriseOne Tools. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all JD Edwards EnterpriseOne Tools accessible data as well as unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Executive ViewAI

Why It Matters

Oracle JD Edwards EnterpriseOne Tools, versions 9.2.0.0 through 9.2.26.5, carries a high-severity exposure that could allow a low-privileged authenticated user with JDENET network access to compromise the integrity and confidentiality of ERP records. For leadership, the concern is that finance, supply-chain, and operational data could be altered or exposed, affecting reporting, transaction processing, and regulatory confidence. No public exploit identified at time of analysis, so this should be treated as a priority remediation item rather than an immediate crisis.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include restricting network access to JDENET to trusted hosts, enforcing least privilege and reviewing low-privileged accounts, segmenting affected JD Edwards EnterpriseOne Tools deployments, enabling and monitoring detailed logging for data changes and JDENET activity, and alerting on unusual create, delete, or modify actions. Apply vendor patch when released.

Threat Intelligence Overview

EPSS Score
0.4%
Top 71% exploitable
Prevalence
Medium
Enterprise ERP suite, common in large orgs but not universally deployed
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 HIGH
CISA KEV No
Public POC No
EPSS 0.4%
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
High

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
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.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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