---
id: "CVE-2026-91312"
kind: "vulnerability"
aliases: ["CVE-2026-91312"]
title: "Oracle JD Edwards EnterpriseOne Tools: installation security flaw exposes critical data"
severity: "medium"
cvss: 6.5
epss: 0.00145
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterpriseone", "jd-edwards", "on-prem", "oracle", "vendor"]
not_affected_if: ["not-running-jde-enterpriseone"]
published_at: "2026-10-20T22:20:33+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-2026-91312", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91312", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle JD Edwards EnterpriseOne Tools: installation security flaw exposes critical data

Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5 contain a flaw in the Installation Security component. A low-privileged user with logon to the host where the tools run can compromise the product and read data it can access, with a scope change that can affect other products.

_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` to `9.2.26.5`
- Review the Oracle Critical Patch Update advisory for the exact patched release: unknown

## Fix

- Move JD Edwards EnterpriseOne Tools to a release newer than `9.2.26.5` as published by Oracle: exact patched version unknown from sources

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91312
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91312

## From the sources

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Installation Security).  Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where JD Edwards EnterpriseOne Tools executes to compromise JD Edwards EnterpriseOne Tools.  While the vulnerability is in JD Edwards EnterpriseOne Tools, attacks may significantly impact additional products (scope change).  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:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/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_