---
id: "CVE-2026-91271"
kind: "vulnerability"
aliases: ["CVE-2026-91271"]
title: "Oracle JD Edwards EnterpriseOne Tools: low-privilege network attacker gains data access"
severity: "high"
cvss: 8.1
epss: 0.00278
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterpriseone", "erp", "jd-edwards", "oracle", "self-hosted", "vendor"]
not_affected_if: ["unpatched-range-not-used"]
published_at: "2026-10-20T22:20:28+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-2026-91271", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91271", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle JD Edwards EnterpriseOne Tools: low-privilege network attacker gains data access

Oracle JD Edwards EnterpriseOne Tools has a flaw in its Monitoring and Diagnostics component that is reachable over HTTP. An attacker with a low-privilege account can read, create, modify or delete data the application can access.

_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` through `9.2.26.5`
- Confirm whether the Monitoring and Diagnostics SEC component is exposed over HTTP to untrusted networks
- unknown for anything beyond this, as the sources do not say

## Fix

- Apply the Oracle Critical Patch Update for JD Edwards EnterpriseOne Tools that fixes this flaw, moving past `9.2.26.5`
- unknown for exact patch identifiers, as the sources do not say

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91271
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91271

## From the sources

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. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP 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:N/AC:L/PR:L/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_