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JD Edwards EnterpriseOne EUVDEUVD-2026-106521

| CVE-2026-91267 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-10-20 secalert_us@oracle.com GHSA-vp8x-73pg-9h55
8.6
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 JD Edwards SOAP endpoint over network
  2. Delivery
    Send crafted unauthenticated SOAP request
  3. Exploit
    Abuse Interoperability SEC access control
  4. Execution
    Retrieve critical EnterpriseOne data
  5. Impact
    Pivot to connected products via scope change

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication required for critical functions
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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 JD Edwards EnterpriseOne Tools Interoperability interface exposed over SOAP (the 'Interoperability SEC' component); this web-services/SOAP endpoint must be deployed and accessible to the attacker. No authentication, no privileges, and no user interaction are needed (PR:N/UI:N), so default-configured instances that expose the SOAP Interoperability service to a reachable network are exploitable. The primary limiting factor is exposure of that SOAP endpoint - environments where the Interoperability web service is not deployed, is restricted to internal/segmented networks, or is fronted by authenticating gateways substantially reduce reachability. Only confidentiality is at risk (no integrity or availability impact). Affected versions are strictly 9.2.0.0 through 9.2.26.5.

Impact

This is a genuine high-priority issue, not a high-CVSS-but-low-risk artifact. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:C/C:H) describes the worst-case exposure profile short of code execution: network-reachable, low-complexity, no privileges, no user interaction, with a scope change amplifying impact to additional products. Oracle's own 'Easily exploitable' language reinforces the AC:L rating. However, several corroborating signals are absent: no EPSS score was provided, the CVE is NOT in CISA KEV, and no public POC is referenced, so there is no evidence of active or imminent mass exploitation yet. The impact is confidentiality-only (I:N/A:N) - this is an information-disclosure/data-access flaw, not RCE or a destructive bug, which tempers the practical severity somewhat despite the 8.6 score. Net: treat as a priority patch for any exposed JD Edwards EnterpriseOne Tools instance (especially internet-facing SOAP endpoints) given the unauthenticated network vector, while recognizing that exploitation-probability telemetry (EPSS/KEV/POC) is currently missing and cannot confirm real-world attack activity.

Exploit ScenarioDerived

An attacker with network access to the JD Edwards EnterpriseOne Tools Interoperability SOAP interface sends a crafted SOAP request without any credentials, abusing the Interoperability SEC component to bypass access controls and read sensitive application data. Because the CVSS scope is changed, the compromise can reach data belonging to additional connected products beyond the Tools layer itself. No public exploit code is identified at time of analysis, but the low attack complexity and lack of authentication make exploitation straightforward if the endpoint is reachable.

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 – Oct 20, 2026

Unauthenticated SOAP requests to the JD Edwards EnterpriseOne Tools Interoperability SEC component can expose critical data in versions 9.2.0.0 through 9.2.26.5, with a scope change that may extend impact to connected products. The CVSS 3.1 score is 8.6 (AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N), and only confidentiality is affected; no public exploit identified at time of analysis. Risk is highest where the SOAP Interoperability service is deployed and reachable from untrusted networks.

RemediationAI

Apply the JD Edwards EnterpriseOne Tools remediation identified in Oracle's October 2026 Critical Patch Update advisory at https://www.oracle.com/security-alerts/cpuoct2026.html; the supplied data does not specify an exact fixed version, so confirm the patched Tools release with Oracle before upgrading. If immediate patching is not possible, reduce reachability to the SOAP Interoperability SEC service by disabling the endpoint where integration is not required, restricting it to trusted hosts with network ACLs or segmentation, and placing an authenticating gateway or reverse proxy in front of it that enforces authentication and request validation. These controls have trade-offs: disabling the endpoint breaks integrations, a gateway may not cover every Interoperability operation, and segmentation requires firewall changes and ongoing rule maintenance. Monitor SOAP requests to the Interoperability service for anomalous or unauthenticated access while remediation is pending.

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

Oracle JD Edwards EnterpriseOne Tools includes an Interoperability component that exposes SOAP-based web services for integration with other enterprise systems. The provided tags classify the issue as an authentication bypass, and the CVSS vector confirms a network-reachable, unauthenticated attack path with no user interaction (PR:N/UI:N). The scope change (S:C) indicates that successful exploitation can affect resources beyond the vulnerable component, while the impact metrics show high confidentiality impact with no integrity or availability impact. No CWE was assigned in the supplied data, so the precise root-cause class is not confirmed; the evidence points to an authentication or access-control weakness in the SOAP Interoperability SEC service rather than memory corruption.

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Severity by source

Vendor (oracle) PRIMARY 8.6 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
vuln.today AI 8.6 HIGH

Unauthenticated network SOAP access (AV:N/PR:N/UI:N), low complexity per vendor, scope change to other products (S:C), confidentiality-only data access with no integrity or availability impact.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
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 unauthenticated attacker with network access via SOAP to compromise JD Edwards EnterpriseOne Tools. While the vulnerability is in JD Edwards EnterpriseOne Tools, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Executive ViewAI

Why It Matters

Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 are exposed to unauthenticated data disclosure through the SOAP Interoperability SEC component, with potential scope expansion to connected products. Because exploitation requires no credentials and no vendor-released patch is identified at time of analysis, leadership should treat this as a high-priority exposure for any externally reachable deployment and direct immediate containment of the affected service. No public exploit identified at time of analysis.

Business Impact: High
Compensating Controls

Restrict network access to the SOAP Interoperability SEC component to trusted hosts; disable the service if not required; deploy WAF/IPS inspection for SOAP traffic; segment JD Edwards EnterpriseOne Tools from untrusted networks and connected products; monitor logs for anomalous unauthenticated SOAP requests; review and limit connected-product trust relationships.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Prevalence
Medium
major enterprise ERP suite, common in large orgs but not ubiquitous
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 0.3%
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· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
High

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +43
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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