CVE-2026-91496

Awaiting Analysis Awaiting Analysis - Queue

Workflow Takeover via HTTP in Oracle E-Business Suite

Publication date: 2026-10-20

Last updated on: 2026-10-24

Assigner: Oracle

Description

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 low privileged 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 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-20

Last Modified

2026-10-24

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-91496

EUVD

EUVD-2026-106741

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Workflow	12.2.3

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle E-Business Suite's Workflow product, specifically in the Workflow Notification Mailer component. It affects versions 12.2.3 to 12.2.15 and allows a low-privileged attacker with network access via HTTP to potentially take over the Workflow system. The vulnerability has a CVSS base score of 7.5, indicating significant impact on confidentiality, integrity, and availability.

Detection Guidance

Detection of CVE-2026-91496 requires checking for vulnerable versions of Oracle E-Business Suite Workflow (12.2.3 to 12.2.15). Inspect Oracle Workflow components for unauthorized access or modifications. Monitor HTTP traffic for suspicious interactions with the Workflow Notification Mailer. Ensure all patches for this CVE are applied if using affected versions.

Impact Analysis

If exploited, this vulnerability could allow an attacker to take complete control of the Workflow system in Oracle E-Business Suite. This could lead to unauthorized access to sensitive data, manipulation of workflow processes, or disruption of critical business operations.

Compliance Impact

This vulnerability allows unauthorized takeover of the Workflow component in Oracle E-Business Suite, which could lead to unauthorized access or modification of sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (healthcare data privacy) by potentially exposing or altering protected information.

Mitigation Strategies

Apply the latest Oracle E-Business Suite patches for Workflow component as soon as possible. Monitor Oracle's Critical Patch Updates for Workflow fixes. Restrict network access to Workflow components via HTTP to trusted sources only. Review and reduce privileges for low-privileged users with network access.

Hi! I’m here to help you understand CVE-2026-91496. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70

EPSS Chart

Security Radar

News mentioning this vulnerability

Loading related security news...