CVE-2026-83465

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Denial of Service in Oracle Mobile Application Server

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Oracle

Description

Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Terminal Server). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Mobile Application Server. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Mobile Application Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Mobile Application Server as well as unauthorized update, insert or delete access to some of Oracle Mobile Application Server accessible data. CVSS 3.1 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83465

EUVD

EUVD-2026-79764

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	mobile_application_server	From 12.2.3 (inc) to 12.2.15 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Mobile Application Server, part of Oracle E-Business Suite. It affects versions 12.2.3 to 12.2.15. An unauthenticated attacker can exploit it remotely via HTTP to cause a denial of service or unauthorized data manipulation. The attack requires user interaction and may impact other products.

Detection Guidance

This vulnerability affects Oracle Mobile Application Server versions 12.2.3 to 12.2.15. Detection may involve checking the installed version of Oracle Mobile Application Server and monitoring for unusual network traffic or crashes targeting the MWA Terminal Server component.

Impact Analysis

If exploited, this vulnerability could allow an attacker to crash the Oracle Mobile Application Server repeatedly, making it unavailable. It may also let them modify or delete some data within the server, disrupting normal operations.

Compliance Impact

This vulnerability primarily impacts integrity and availability of Oracle Mobile Application Server. It allows unauthorized updates, inserts, or deletes to data and can cause complete denial of service. Compliance impact depends on the data processed by the affected system, but potential risks include unauthorized data modification or loss, which could violate GDPR (data integrity) or HIPAA (availability and integrity of PHI).

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle E-Business Suite to address the vulnerability in the Oracle Mobile Application Server component. Ensure the patch is applied to all affected versions (12.2.3-12.2.15).

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