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JD Edwards EnterpriseOne EUVDEUVD-2026-106555

| CVE-2026-91301 LOW
Improper Access Control (CWE-284)
2026-10-20 secalert_us@oracle.com GHSA-7499-m5p8-2fg2
3.6
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
    Obtain low-privileged logon on host
  2. Exploit
    Access Monitoring and Diagnostics SEC component
  3. Execution
    Exploit flaw under difficult conditions
  4. Impact
    Perform unauthorized data update/insert/delete and partial DoS

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 the attacker to already possess a valid low-privileged account with interactive logon access to the infrastructure/server where JD Edwards EnterpriseOne Tools executes (AV:L, PR:L) - it is not remotely exploitable over the network and requires no user interaction. The vulnerable surface is specifically the Monitoring and Diagnostics SEC component. The practical limiting factors are significant: the flaw is explicitly rated difficult to exploit (AC:H), meaning success depends on specialized conditions, timing, or state outside the attacker's direct control, and prior authenticated local access is mandatory, which substantially narrows the realistic threat to insiders or attackers who have already gained a foothold on the host. Affected deployments are limited to EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5.

Impact

All available signals point to a low-priority issue. The vendor-supplied CVSS 3.1 base score is only 3.6 (LOW), and the vector (AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L) describes a hard-to-exploit, locally-accessible flaw requiring an already-authenticated low-privileged account, with only partial integrity and availability impact and no confidentiality impact. No EPSS score was supplied in the input, so exploitation probability cannot be quantified. The CVE is NOT on the CISA KEV list and no public exploit code is referenced, so there is no public exploit identified at time of analysis. The SSVC framework cannot be fully populated from the input, but the combination of AC:H (high attack complexity) and PR:L (requires existing logon) makes this neither automatable nor trivially weaponizable. All signals are consistent - there is no conflict between CVSS, exploitation status, or deployment context - and they uniformly indicate a low real-world priority. The only caveat is that the record is brand-new (Oracle CPU October 2026) and no independent CWE or third-party analysis exists, so the assessment rests entirely on Oracle's self-reported advisory.

Exploit ScenarioDerived

An attacker who already holds a low-privileged account with logon access to the server hosting JD Edwards EnterpriseOne Tools abuses a flaw in the Monitoring and Diagnostics (SEC) component to tamper with some accessible application data and degrade service availability. Exploitation is rated difficult (AC:H), requiring specific conditions or timing, and no public exploit code is known. The impact is limited to partial data modification and a partial denial of service, not full system compromise.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 21, 2026

Low-privileged users who can log on interactively to a host running Oracle JD Edwards EnterpriseOne Tools can abuse the Monitoring and Diagnostics SEC component to modify or delete some restricted EnterpriseOne data and to degrade service availability. Only Tools releases 9.2.0.0 through 9.2.26.5 are affected, and the CVSS 3.1 base score is 3.6 (AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L), reflecting a local, high-complexity path that yields limited integrity and availability impact with no confidentiality exposure. No public exploit code was identified at time of analysis and the issue is not listed in CISA KEV; exploitation requires an attacker to already hold a valid low-privileged account with logon access to the EnterpriseOne infrastructure, so the realistic threat is insider misuse or post-compromise lateral activity rather than remote attack. All available signals point to a low-priority issue best handled through routine quarterly patch cycles.

RemediationAI

Apply the fix published in the Oracle Critical Patch Update referenced at https://www.oracle.com/security-alerts/cpuoct2026.html, which covers the affected 9.2.0.0 through 9.2.26.5 range; the advisory does not state an explicit minimum patched version in the supplied data, so confirm the target release against the CPU's patch availability matrix before upgrading. Where patching must be deferred, reduce exposure by shrinking the population of accounts that can log on interactively to EnterpriseOne Tools servers, in particular on the Monitoring and Diagnostics SEC host, and audit those accounts for least privilege - the trade-off is added administrative friction for legitimate operators. Restrict and monitor access to server-manager and diagnostic endpoints to dedicated administration subnets or jump hosts, accepting that this complicates day-to-day operational troubleshooting. Enable and review EnterpriseOne security, audit and server-manager logs for unexpected changes to monitored data or service restarts, noting that this generates additional log volume and requires tuning to be useful. Because exploitation demands prior local authenticated access, prioritize host hardening and credential hygiene on EnterpriseOne servers as a compensating control; there is no evidence of public exploit code, so emergency out-of-band action is not warranted.

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 vulnerability sits in the Monitoring and Diagnostics SEC component of JD Edwards EnterpriseOne Tools, the middleware layer that hosts the HTML/web runtime, server manager and diagnostic instrumentation used to administer and observe an EnterpriseOne deployment. The CVSS vector (AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L) describes an attack that must be launched from the local host context rather than across the network, requires prior authenticated access at low privilege, needs no user interaction, and is explicitly rated as difficult to exploit due to conditions or state the attacker does not directly control. Impact is confined to partial integrity loss (unauthorized insert, update or delete of some EnterpriseOne-accessible data) and partial availability loss; confidentiality is unaffected. No CWE identifier was supplied with the record, so the weakness class cannot be pinned to a specific root cause from the provided data; functionally it presents as insufficient authorization/validation on a diagnostic interface reachable by a low-privileged local principal. No CPE strings were included in the intelligence feed - the affected footprint is defined only by the EUVD-supplied version range 9.2.0.0 through 9.2.26.5, so asset inventory should be reconciled against that range rather than a CPE match.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (oracle) PRIMARY 3.6 LOW
AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
vuln.today AI 3.6 LOW

Requires existing low-privileged logon to the host (AV:L, PR:L) and is difficult to exploit (AC:H), yielding only partial integrity and availability impact with no confidentiality loss.

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

Primary rating from Vendor (oracle).

CVSS VectorVendor: oracle

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

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. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of JD Edwards EnterpriseOne Tools accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 3.6 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L).

Threat Intelligence Overview

EPSS Score
0.1%
Top 99% exploitable
Prevalence
Medium
Oracle JD Edwards is common enterprise ERP but confined to large-org deployments
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 LOW
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

18
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +18
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.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

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