---
id: "CVE-2026-91287"
kind: "vulnerability"
aliases: ["CVE-2026-91287"]
title: "Oracle JD Edwards EnterpriseOne Tools: adjacent-network flaw allows data read and modification"
severity: "high"
cvss: 8.1
epss: 0.00238
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise-erp", "jd-edwards", "on-prem", "oracle", "vendor"]
not_affected_if: ["managed-hosting", "version-outside-range"]
published_at: "2026-10-20T22:20:30+00:00"
first_seen_at: "2026-10-23T21:57:26+00:00"
updated_at: "2026-10-25T12:38:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91287", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91287", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle JD Edwards EnterpriseOne Tools: adjacent-network flaw allows data read and modification

Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 contain a flaw in the Enterprise Infrastructure SEC component. An unauthenticated attacker on the physical network segment of the host can create, delete, modify, and read JD Edwards data.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed EnterpriseOne Tools release against the affected range 9.2.0.0-9.2.26.5 (exact check command unknown)

## Fix

- Move EnterpriseOne Tools to a release above 9.2.26.5 per Oracle's Critical Patch Update advisory (exact fixed version unknown)

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91287
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91287

## From the sources

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 unauthenticated attacker with access to the physical communication segment attached to the hardware where the JD Edwards EnterpriseOne Tools executes 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:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_