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Oracle JD Edwards EnterpriseOne Tools EUVDEUVD-2026-106549

| CVE-2026-91295 HIGH
Missing Authentication for Critical Function (CWE-306)
2026-10-20 secalert_us@oracle.com GHSA-wjfv-gr2f-qjfv
8.8
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
    Authenticate with low-privilege JDE account
  2. Delivery
    Reach Enterprise Infrastructure SEC over HTTP
  3. Exploit
    Send crafted request exploiting SEC flaw
  4. Execution
    Escalate to full product control
  5. Impact
    Take over EnterpriseOne Tools instance

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 (1) network access to the HTTP interface of the JD Edwards EnterpriseOne Tools Enterprise Infrastructure (SEC) component, and (2) valid low-privileged credentials (PR:L) - this is NOT unauthenticated. No user interaction is needed (UI:N) and attack complexity is low (AC:L), so no special non-default configuration is indicated by Oracle's description. Affected deployments are limited to EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5. The principal limiting factor is the authentication requirement: an attacker must first obtain or possess a low-privilege application account, which constrains exploitation to insiders or attackers who have already gained a foothold or valid credentials.

Impact

This is a credible high-priority issue, though not a crisis. The CVSS 3.1 base score of 8.8 is driven by a strong vector: network attack vector (AV:N over HTTP), low attack complexity (AC:L), no user interaction (UI:N), and full C:H/I:H/A:H impact resulting in product takeover - mitigated only by the requirement for low-level privileges (PR:L). Oracle describes it as 'easily exploitable,' which aligns with AC:L/UI:N. However, several real-world risk signals are MISSING from the provided data: there is no EPSS exploitation-probability score, no SSVC decision data, no CISA KEV listing, and no evidence of public exploit code. Per precision rules, exploitation status is 'no public exploit identified at time of analysis.' The absence of KEV/EPSS/POC does not lower the intrinsic severity but means there is no current evidence of active or widespread exploitation, so this should be prioritized as a high-severity patch-cycle item rather than an emergency zero-day response. One data conflict to note: the input Tag labels this 'Information Disclosure,' yet the description and CVSS vector (C:H/I:H/A:H, 'takeover') indicate full compromise, not mere disclosure - the tag understates the impact and should not be relied upon.

Exploit ScenarioDerived

An attacker who already holds a low-privileged application account (e.g., a legitimate but limited JD Edwards EnterpriseOne Tools user) sends crafted HTTP requests to the Enterprise Infrastructure (SEC) component to escalate from limited access to full control of the EnterpriseOne Tools instance. Because the vector is network-based with low complexity and no user interaction, exploitation requires only valid low-level credentials and network reachability to the HTTP interface. No public exploit code has been 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 20, 2026

JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 contain a takeover-class vulnerability in the Enterprise Infrastructure SEC component that a low-privileged, network-positioned attacker can exploit over HTTP with no user interaction, yielding full confidentiality, integrity, and availability impact (CVSS 3.1 base 8.8). Oracle's CPU October 2026 advisory frames it as easily exploitable, but the PR:L vector means valid low-privilege credentials are a prerequisite, so exposure is concentrated among insiders or attackers who already hold a foothold or stolen account. No public exploit code and no CISA KEV entry were identified at time of analysis, and no EPSS score was supplied; an attacker who clears the authentication bar can compromise the JD Edwards EnterpriseOne Tools deployment itself.

RemediationAI

Apply the fix published in Oracle's Critical Patch Update for October 2026 (https://www.oracle.com/security-alerts/cpuoct2026.html), which is the authoritative source for the exact patched EnterpriseOne Tools release replacing the 9.2.0.0-9.2.26.5 range; an exact fix version is not stated in the supplied data, so confirm the targeted release in the advisory before upgrading and test in a non-production instance first. Because exploitation requires only low-privilege credentials, the highest-value compensating control while patching is to restrict network access to the EnterpriseOne Tools HTTP interface (reverse proxy or firewall allow-listing for trusted users and integration endpoints), which reduces exposure but can break remote and mobile client access. In parallel, audit and prune dormant or excess low-privilege application accounts and tighten role assignments in the Security Workbench, rotate credentials for service and integration accounts, and monitor SEC and web-tier logs for anomalous authenticated activity - these measures limit blast radius but do not remove the flaw. Where feasible, place EnterpriseOne Tools behind a WAF in blocking mode as a detection and friction layer, accepting that generic rules will not reliably cover this specific logic flaw.

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 Enterprise Infrastructure SEC, the authentication and authorization layer of Oracle JD Edwards EnterpriseOne Tools, the JD Edwards web/application tier that fronts the EnterpriseOne ERP suite and brokers user sessions, security workbench records, and role-based access. The vulnerability class is not formally assigned a CWE in the source data, but the CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) describes an authenticated, low-complexity, network-reachable weakness whose successful exploitation breaches the scope boundary of a normal user account and yields high impact across confidentiality, integrity, and availability - consistent with a privilege or access-control failure in the security infrastructure that can be leveraged toward takeover of the Tools server. Scope is unchanged (S:U), so impact is contained to the EnterpriseOne Tools component and its hosted data rather than assumed to escalate to the underlying operating system. Only Tools releases 9.2.0.0 through 9.2.26.5 are listed as affected by Oracle and EUVD; the underlying database, middleware, and Oracle's other product families are outside the described scope.

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Severity by source

Vendor (oracle) PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.8 HIGH

Oracle states easily exploitable over HTTP by a low-privileged attacker (AV:N/AC:L/PR:L/UI:N) resulting in takeover, yielding full C:H/I:H/A:H with unchanged scope.

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

DescriptionCVE.org

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Enterprise Infrastructure 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 HTTP to compromise JD Edwards EnterpriseOne Tools. Successful attacks of this vulnerability can result in takeover of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

A high-severity takeover vulnerability in JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 could allow an attacker with valid low-privilege credentials to compromise the ERP deployment, affecting confidentiality, integrity, and availability. Leadership should care because JD Edwards typically supports critical finance and operations processes, and Oracle rates the issue as easily exploitable. No vendor-released patch is identified at time of analysis and no public exploit identified at time of analysis, so near-term risk must be managed through access restriction and monitoring.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis; restrict network access to the Enterprise Infrastructure SEC component, enforce least privilege and strong authentication for low-privilege accounts, monitor HTTP and account activity for anomalies, and apply vendor patch when released.

Threat Intelligence Overview

EPSS Score
0.4%
Top 62% exploitable
Prevalence
Medium
enterprise ERP suite, significant but not universal corporate footprint
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

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
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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