Skip to main content

JD Edwards EnterpriseOne EUVDEUVD-2026-106525

| CVE-2026-91271 HIGH
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-hf5q-jvqw-mmfx
8.1
CVSS 3.1 · Vendor: oracle
View

Attack ChainAIDerived

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

  1. Access
    Obtain low-privileged EnterpriseOne account
  2. Exploit
    Send crafted HTTP request to Monitoring/Diagnostics SEC
  3. Execution
    Bypass authorization on data operations
  4. Impact
    Read or tamper critical JD Edwards 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 authenticated low-privileged account on JD Edwards EnterpriseOne Tools (PR:L) with network HTTP access to the Monitoring and Diagnostics (SEC) component; only versions 9.2.0.0 through 9.2.26.5 are affected. No user interaction is required and attack complexity is low. The primary limiting factors are the need for valid (even minimal) credentials and network reachability of the EnterpriseOne web tier - internet-exposed instances face materially higher risk than those restricted to internal networks. There is no availability impact, so this is a confidentiality/integrity exposure rather than a denial-of-service vector.

Impact

This is a serious, credible priority. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N, base 8.1) describes a network-reachable, low-complexity attack over HTTP requiring only low privileges and no user interaction, yielding high confidentiality and integrity impact (no availability impact). Oracle's own 'Easily exploitable' phrasing reinforces AC:L. However, several key corroborating signals are MISSING: no EPSS score was provided, the CVE is NOT on CISA KEV, and no public POC is referenced - so there is no evidence of active or widespread exploitation at this time. The lone reference is Oracle's October 2026 Critical Patch Update advisory, consistent with a vendor-coordinated disclosure rather than observed in-the-wild activity. One conflict to flag explicitly: the input Tags include 'Authentication Bypass', yet the CVSS vector specifies PR:L (a low-privileged authenticated attacker is required), which contradicts a true unauthenticated bypass - treat the 'Authentication Bypass' characterization as unverified and defer to the PR:L vector. Net: a high-severity, easily exploitable flaw in an enterprise ERP that warrants prompt patching, but current real-world exploitation probability is unquantified and likely low until a POC emerges.

Exploit ScenarioDerived

An attacker who already holds a low-privileged JD Edwards EnterpriseOne application account sends crafted HTTP requests to the Monitoring and Diagnostics (SEC) component. Because the attack is network-based and low-complexity with no user interaction, the attacker can read, create, modify, or delete critical JD Edwards data outside their authorized scope. No public exploit code is identified at time of analysis, so exploitation currently requires original research.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
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 20, 2026

Authentication bypass in Oracle JD Edwards EnterpriseOne Tools (Monitoring and Diagnostics SEC) lets a low-privileged attacker with network access over HTTP read and modify critical application data in versions 9.2.0.0 through 9.2.26.5. Exploitation requires a valid low-privileged account (PR:L), no user interaction, and low attack complexity, with high confidentiality and integrity impact but no availability impact. The provided intelligence identifies no public exploit code and no confirmed active exploitation; internet-exposed EnterpriseOne web tiers are the highest-risk deployments.

RemediationAI

Apply the Oracle Critical Patch Update (October 2026) for JD Edwards EnterpriseOne Tools; the vendor advisory is https://www.oracle.com/security-alerts/cpuoct2026.html and patch availability is indicated by that advisory, though the exact fixed version is not specified in the provided data. Until patching is complete, restrict HTTP access to the EnterpriseOne web tier to trusted networks, enforce least privilege, and monitor low-privileged accounts for anomalous Monitoring and Diagnostics SEC activity; these controls reduce exposure but do not eliminate the flaw. Prioritize internet-exposed instances and confirm the target release against Oracle's CPU documentation.

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 is the middleware and tooling layer for the EnterpriseOne ERP suite, and the affected Monitoring and Diagnostics SEC component handles security-relevant monitoring and diagnostic functions. No CWE is supplied; the vendor tag classifies the issue as an authentication bypass, but the exact coding flaw is not disclosed. The CVSS 3.1 vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N confirms a remotely reachable HTTP attack that requires a low-privileged authenticated account, no user interaction, and results in high confidentiality and integrity impact without availability impact. Only Tools releases 9.2.0.0 through 9.2.26.5 are listed as affected.

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 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 HTTP vector and Oracle's 'easily exploitable' wording give AV:N/AC:L; a valid low-privileged account is required so PR:L; high C and I with no availability impact.

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: Monitoring and Diagnostics 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 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 releases 9.2.0.0 through 9.2.26.5 contain an authentication bypass in the Monitoring and Diagnostics SEC component that lets anyone holding a low-privileged account read and alter critical ERP data over the network. Because the flaw degrades confidentiality and integrity of core application data rather than availability, leadership should treat it as a data-trust and financial-reporting exposure, with internet-facing EnterpriseOne web tiers representing the most urgent risk. No vendor patch is currently available, so risk must be managed through access restriction and monitoring until Oracle ships a fix.

Business Impact: High
Compensating Controls

No vendor patch identified; restrict network access to the Monitoring and Diagnostics SEC component to trusted internal segments or VPN, enforce least privilege and credential rotation on low-privileged accounts, enable audit logging and anomaly detection on EnterpriseOne data access, and deploy WAF/IPS rules blocking SEC endpoints from untrusted sources.

Threat Intelligence Overview

EPSS Score
0.3%
Top 81% exploitable
Prevalence
Medium
major Oracle ERP, common in large enterprises 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
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.

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