---
id: "CVE-2026-91455"
kind: "vulnerability"
aliases: ["CVE-2026-91455"]
title: "Oracle JD Edwards EnterpriseOne Tools: unauthenticated HTTP flaw allows data read and change"
severity: "medium"
cvss: 5.4
epss: 0.00226
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterpriseone", "jd-edwards", "oracle", "unix", "vendor"]
not_affected_if: ["unknown"]
published_at: "2026-10-20T22:20:49+00:00"
first_seen_at: "2026-10-23T21:57:27+00:00"
updated_at: "2026-10-25T12:38:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91455", "first_seen_at": "2026-10-23T21:57:27+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91455", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle JD Edwards EnterpriseOne Tools: unauthenticated HTTP flaw allows data read and change

Oracle JD Edwards EnterpriseOne Tools versions 9.2.0.0 through 9.2.26.5, in the E1 Dev Platform Tech UNIX component, contain a flaw that an unauthenticated attacker can reach over HTTP. A successful attack can read a subset of accessible data and insert, update or delete some accessible data, and it needs a person other than the attacker to interact.

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

## Timeline

- 2026-10-23T21:57:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91455
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91455

## 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 unauthenticated attacker with network access via HTTP to compromise JD Edwards EnterpriseOne Tools.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of JD Edwards EnterpriseOne Tools accessible data as well as  unauthorized read access to a subset of JD Edwards EnterpriseOne Tools accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N).

---

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