---
id: CVE-2026-91506
title: >-
  Vulnerability in the Workflow product of Oracle E-Business Suite (component:
  Workflow Notification Mailer)
summary: >-
  Vulnerability in the Workflow product of Oracle E-Business Suite (component:
  Workflow Notification Mailer).  Supported versions that are affected are
  12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated
  attacker with…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
vendor: Oracle Corporation
product: Workflow
affected:
  - Workflow >= 12.2.3 <= 12.2.15
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T21:26:19.642Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-91506'
references:
  - url: 'https://www.oracle.com/security-alerts/cpuoct2026.html'
    label: Oracle Advisory
tags:
  - cve.org
ingestedAt: '2026-10-20T22:23:33.736Z'
---

## Overview

Vulnerability in the Workflow product of Oracle E-Business Suite (component: Workflow Notification Mailer).  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 Workflow.  Successful attacks of this vulnerability can result in takeover of Workflow. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

## Affected

- `Workflow >= 12.2.3 <= 12.2.15`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
