---
id: "CVE-2026-83366"
kind: "vulnerability"
aliases: ["CVE-2026-83366"]
title: "Oracle E-Business Suite: Shipping Execution Workflow Events flaw exposes critical data"
severity: "high"
cvss: 7.4
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["erp", "oracle-ebs", "package", "self-hosted", "shipping-execution"]
not_affected_if: ["unknown"]
published_at: "2026-10-20T22:19:52+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T03:26:55+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83366", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle E-Business Suite: Shipping Execution Workflow Events flaw exposes critical data

An unauthenticated network attacker can reach the Workflow Events component of Oracle Shipping Execution over HTTP, which is part of Oracle E-Business Suite. Successful exploitation allows creating, modifying or deleting critical data and reading all data the Shipping Execution module can access.

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

## How to check

- Confirm the Oracle E-Business Suite release level, for example by checking the patch level in Oracle Applications Manager or the `ad_bugs` / patch history
- Check whether Shipping Execution (OE/WSH) is in use and reachable over HTTP from untrusted networks

## Fix

- Apply the Oracle Critical Patch Update fix for CVE-2026-83366 to Oracle E-Business Suite Shipping Execution, moving off the affected 12.2.3-12.2.15 range (exact patched level unknown from sources)

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-83366

## From the sources

Vulnerability in the Oracle Shipping Execution product of Oracle E-Business Suite (component: Workflow Events).  Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Shipping Execution.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Shipping Execution accessible data as well as  unauthorized access to critical data or complete access to all Oracle Shipping Execution accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

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