Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
-
AccessAuthenticate with low-privilege JDE account
-
ExploitSend crafted request over JDENET
-
ExecutionExploit Web Runtime SEC flaw
-
ImpactRead unauthorized critical ERP data
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK
2 techniques across 2 tactics: Collection, Discovery 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-privilege JD Edwards EnterpriseOne Tools account (CVSS PR:L) and network reachability to the JDENET communication service that fronts the Web Runtime SEC component; only versions 9.2.0.0 through 9.2.26.5 are affected. No user interaction is needed (UI:N) and attack complexity is low (AC:L), so once valid low-privilege credentials and JDENET access exist, exploitation is straightforward. The limiting factors defenders should weigh are the mandatory prior authentication and the exposure of the JDENET port - deployments that restrict JDENET to trusted internal networks and tightly control ERP account provisioning substantially reduce realistic risk. |
| Impact | This is a moderate-priority confidentiality vulnerability, not an emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, base 6.5) indicates network-reachable, low-complexity exploitation, but PR:L means the attacker must already hold a valid low-privilege JD Edwards EnterpriseOne account - this is the single largest mitigating factor and keeps the score at Medium rather than Critical. Impact is confined to confidentiality (C:H), with no integrity or availability effect, so the worst case is disclosure of sensitive ERP data rather than data tampering or outage. No EPSS score is provided in the input, there is no CISA KEV listing, and no public exploit code is referenced, so there is no public exploit identified at time of analysis. SSVC-style framing: exploitation status is none/unobserved, technical impact is partial (confidentiality-only), and automatability is uncertain because authentication is required. Signals are internally consistent - the 'network vector but authenticated' profile matches Oracle's standard JDENET-exposed ERP flaw pattern - but note one metadata conflict: the input Tag labels this 'Authentication Bypass' while the CVSS vector explicitly requires privileges (PR:L), so the tag appears inaccurate and should not be used to justify unauthenticated-exploitation assumptions. Treat this as a scheduled Oracle CPU patch item prioritized for internet-exposed or multi-tenant JD Edwards deployments, not a drop-everything event. |
| Exploit ScenarioDerived | An attacker who has obtained or been granted a low-privilege JD Edwards EnterpriseOne user account sends a crafted request over the network via the JDENET communication service to the Web Runtime SEC component. Because attack complexity is low, the request reliably abuses the flaw to read critical business data the account should not be able to access, up to complete access to all JD Edwards EnterpriseOne Tools data. No public proof-of-concept is referenced in the available data. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Oct 21, 2026
Oracle JD Edwards EnterpriseOne Tools builds 9.2.0.0 through 9.2.26.5 expose a confidentiality weakness in the Web Runtime SEC component reachable over the JDENET protocol, letting an authenticated low-privileged attacker read data well beyond their intended authorisation scope - up to all EnterpriseOne Tools-accessible data. Rated CVSS 3.1 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N), the bug is easy to trigger once valid credentials and network access to JDENET exist, and no user interaction is required. Exploitation status: no public exploit identified at time of analysis, no CISA KEV listing, and no EPSS score was supplied in the available intelligence; the realistic risk is concentrated in deployments that expose JDENET broadly and permit loosely governed low-privilege ERP accounts.
RemediationAI
Obtain and apply the Oracle Critical Patch Update referenced at https://www.oracle.com/security-alerts/cpuoct2026.html, which is the vendor remediation vehicle for this defect; the supplied data does not state a minimum patched build number beyond the affected ceiling of 9.2.26.5, so confirm the exact fixed Tools release in the CPU advisory or My Oracle Support before closing out change records. Where patching must be staged, cut the exposure first by restricting the JDENET listener to trusted application and logic-server hosts with host-based firewalls or network ACLs - the trade-off is that mis-scoped rules break web-to-logic-server and batch-server communication, so stage rules against a non-production path. In parallel, review and prune low-privilege EnterpriseOne accounts and their role assignments, since the vector requires PR:L, and audit JDENET sessions for reads of objects outside a user's role as a compensating detective control; this does not remove the flaw and adds operational overhead. Certificate or credential rotation after patching is only necessary if compromise is suspected from those audit findings.
Affected VersionsENISA
Affected Packages
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
JDENET is Oracle's proprietary messaging layer inside JD Edwards EnterpriseOne, carrying traffic between web clients, logic servers, enterprise servers, and transaction servers; the Web Runtime SEC component sits on that path and enforces the security model for web-served applications. The flaw is an authorisation/access-control failure within that component - Oracle's feed tags it as an authentication bypass, but the official vector (PR:L) makes clear that a session is required, so the practical defect is that a low-privilege identity can obtain data the security kernel should have filtered per role and object-level permissions. Because the vector is C:H with I:N/A:N, the impact is strictly read-side disclosure rather than tampering or denial of service, consistent with missing or incorrectly applied row/column and object-level checks in the JDENET-exposed runtime. No CWE was assigned in the supplied data, and EUVD (EUVD-2026-106638) mirrors the same 9.2.0.0-9.2.26.5 version range.
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
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-facing JDENET service (AV:N) with low complexity (AC:L); a valid low-privilege account is required (PR:L), no user interaction, and impact is confidentiality-only (C:H, I:N, A:N).
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
DescriptionCVE.org
Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Web Runtime 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 JDENET to compromise JD Edwards EnterpriseOne Tools. 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 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
EUVD-2026-106638
GHSA-wfv3-9x6j-ggw9
NVD
CVE.org
EPSS
Exploit-DB