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JD Edwards EnterpriseOne Orchestrator CVE-2026-61265

| EUVDEUVD-2026-61345 HIGH
Improper Access Control (CWE-284)
2026-08-18 secalert_us@oracle.com GHSA-r59m-7x9c-gxf6
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
    Identify reachable Orchestrator TLS endpoint
  2. Delivery
    Satisfy high-complexity exploit condition (e.g., on-path positioning or race condition)
  3. Exploit
    Exploit E1 IOT Security flaw unauthenticated
  4. Execution
    Achieve full Orchestrator system takeover
  5. Impact
    Exfiltrate ERP data or manipulate business workflows

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 network access to the JD Edwards EnterpriseOne Orchestrator service over TLS - specifically targeting the E1 IOT Orchestrator Security component. The CVSS vector PR:N confirms no authentication is required, meaning the attack can be launched without any valid credentials. The critical limiting factor is AC:H (high attack complexity), which means exploitation is not straightforward and likely requires specific conditions such as on-path network positioning for TLS interception, a race condition during session establishment, or a particular Orchestrator configuration state. The IoT Orchestrator feature must be deployed and the TLS endpoint reachable - organizations that have not deployed the E1 IOT Orchestrator component or have it restricted to isolated network segments face substantially reduced exposure. No user interaction is required once the network conditions are met.

Impact

The CVSS 3.1 base score of 8.1 reflects a critical real-world risk profile: network-accessible, no authentication required, no user interaction, and full C/I/A impact. The single mitigating factor in the CVSS vector is AC:H (high attack complexity), which suppresses the score from what would otherwise be a 9.8 critical. This complexity requirement is the primary gating condition and deserves scrutiny - AC:H typically implies a race condition, specific network positioning (e.g., on-path for TLS manipulation), or a non-default but plausible configuration state. EPSS data was not provided in the intelligence input, so exploitation probability cannot be quantified. The vulnerability is not in the CISA KEV catalog and no POC has been identified, suggesting no confirmed mass exploitation at time of writing. However, Oracle ERP systems with internet-facing orchestration endpoints are high-value targets for financially motivated threat actors. The 'Information Disclosure' tag in the source data appears to understate the actual impact, which the description explicitly characterizes as full orchestrator takeover - analysts should not rely on the tag classification. Priority should be HIGH for organizations with externally reachable JD Edwards Orchestrator endpoints; MEDIUM for those with strictly internal deployments.

Exploit ScenarioDerived

An attacker with network access to the JD Edwards Orchestrator TLS endpoint - either from the internet if the service is externally exposed, or from an internal network segment - exploits a complex flaw in the E1 IOT Orchestrator Security component, potentially involving TLS session manipulation or authentication bypass, to gain unauthorized control over the Orchestrator. Once successful, the attacker achieves full system takeover, enabling data exfiltration of ERP business data, manipulation of automated business workflows, and disruption of integrated IoT or operational processes. No public POC exists at time of analysis, but the high-value nature of ERP orchestration systems makes this an attractive target for sophisticated actors willing to develop custom exploits.

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 – Aug 19, 2026

Full system takeover is achievable against JD Edwards EnterpriseOne Orchestrator versions 9.2.0.0 through 9.2.26.4 by an unauthenticated remote attacker over TLS, exploiting a flaw in the E1 IOT Orchestrator Security component. Successful exploitation results in complete compromise of confidentiality, integrity, and availability - effectively a full orchestrator takeover. No public exploit code has been identified at time of analysis, and this vulnerability is not listed in the CISA KEV catalog; however, the high-severity impact warrants priority attention for Oracle JD Edwards deployments.

RemediationAI

The primary remediation is to apply the Oracle August 2026 Critical Patch Update (CPU), available at https://www.oracle.com/security-alerts/cspuaug2026.html. The advisory references version 9.2.26.4 as the boundary of affected versions, implying the fix is delivered in the subsequent CPU patch release for the 9.2.x line - verify the exact patched version number directly from the Oracle CPU patch matrix, as it was not independently confirmed in the available data. As a compensating control pending patch application, restrict network access to JD Edwards Orchestrator TLS endpoints via firewall rules or network segmentation, limiting exposure to trusted internal network segments only. If the E1 IOT Orchestrator feature is not actively used, consider disabling it at the application layer to eliminate the attack surface entirely. Organizations should review whether Orchestrator endpoints are internet-facing and prioritize those environments for emergency patching.

Affected VersionsENISA

JD Edwards EnterpriseOne Orchestrator 9.2.0.0 ≤9.2.26.4

Affected Packages

euvd jd_edwards_enterpriseone_orchestrator 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

JD Edwards EnterpriseOne Orchestrator is Oracle's workflow and integration automation engine within the JD Edwards ERP suite, enabling business process automation via RESTful orchestrations and IoT event handling. The vulnerable component is 'E1 IOT Orchestrator Security,' which governs authentication and authorization for the IoT-facing orchestration layer. The attack vector is network-accessible TLS endpoints, meaning the vulnerable service is exposed over encrypted transport. The high attack complexity (AC:H in the CVSS vector) suggests exploitation requires specific conditions - potentially a protocol-level weakness such as improper certificate validation, a TLS session handling flaw, or a race condition in the security negotiation logic. No CWE is formally assigned, so the precise root cause class is unconfirmed, but the combination of unauthenticated access and full-takeover impact is consistent with authentication bypass or a cryptographic implementation flaw in the TLS handling path. Affected versions span the 9.2.x release line up to and including 9.2.26.4, per Oracle's advisory for the August 2026 CPU.

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Severity by source

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

Vendor vector confirmed: network-accessible TLS service, no auth required, high complexity condition gates exploitation, full takeover impact with unchanged scope.

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

DescriptionCVE.org

Vulnerability in the JD Edwards EnterpriseOne Orchestrator product of Oracle JD Edwards (component: E1 IOT Orchestrator Security). Supported versions that are affected are 9.2.0.0-9.2.26.4. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise JD Edwards EnterpriseOne Orchestrator. Successful attacks of this vulnerability can result in takeover of JD Edwards EnterpriseOne Orchestrator. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Executive ViewAI

Why It Matters

A critical vulnerability in JD Edwards EnterpriseOne Orchestrator (versions 9.2.0.0-9.2.26.4) enables remote attackers to gain complete control over orchestration systems without authentication, directly threatening business process continuity and data security. Organizations relying on this ERP component for mission-critical operations face operational downtime and potential data breach risks. Urgent remediation is required as vendor patches are not yet available.

Business Impact: Severe
Compensating Controls

Implement network isolation by restricting affected Orchestrator instances to a dedicated, security-hardened network segment with TLS port access limited to designated administrative workstations; deploy intrusion detection/prevention rules to monitor exploitation attempts; establish continuous monitoring with alerts for failed authentication and unusual account activity; maintain air-gapped backups of all ERP data; activate alternative workflows for business-critical functions; perform regular security assessments of isolated systems; prepare upgrade testing environment for patched versions when available.

Threat Intelligence Overview

EPSS Score
0.4%
Top 66% exploitable
Prevalence
Medium
Oracle JD Edwards ERP used across mid-to-large enterprises globally
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
Very 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.

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