---
id: "CVE-2026-91284"
kind: "vulnerability"
aliases: ["CVE-2026-91284"]
title: "Oracle JD Edwards EnterpriseOne Tools: low-privilege user can crash server via JDENET"
severity: "medium"
cvss: 6.5
epss: 0.00289
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["enterpriseone", "jd-edwards", "oracle", "other", "unix"]
not_affected_if: ["non-unix-platform", "unaffected-release"]
published_at: "2026-10-20T22:20:29+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-2026-91284", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91284", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle JD Edwards EnterpriseOne Tools: low-privilege user can crash server via JDENET

Oracle JD Edwards EnterpriseOne Tools on UNIX, versions 9.2.0.0 through 9.2.26.5, can be made to hang or repeatedly crash by a low-privileged user sending requests over JDENET. The sources describe an availability impact only, with no confidentiality or integrity loss.

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

## How to check

- Check the installed EnterpriseOne Tools release level against `9.2.0.0` through `9.2.26.5` on UNIX servers
- unknown

## Fix

- Move EnterpriseOne Tools on UNIX to a release newer than `9.2.26.5` as listed in Oracle's advisory
- unknown

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91284
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91284

## From the sources

Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: E1 Dev Platform Tech - UNIX).  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 ability to cause a hang or frequently repeatable crash (complete DOS) of JD Edwards EnterpriseOne Tools. CVSS 3.1 Base Score 6.5 (Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

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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_