CVE-2026-83461

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Oracle Mobile Application Server MWA Terminal Server Unauthorized Access

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 TCP to compromise Oracle Mobile Application Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Mobile Application Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Mobile Application Server. CVSS 3.1 Base Score 8.2 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L).

CVSS Scores

EPSS 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-2026-83461

EUVD

EUVD-2026-79760

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-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Mobile Application Server (part of Oracle E-Business Suite) affecting versions 12.2.3 to 12.2.15. It allows an unauthenticated attacker with network access to exploit it via TCP, potentially leading to unauthorized access to sensitive data or causing a partial denial of service.

Detection Guidance

This vulnerability affects Oracle Mobile Application Server versions 12.2.3 to 12.2.15. Detection requires checking for the presence of this software and its version on your systems. No specific commands are provided in the available context to detect this vulnerability directly.

Impact Analysis

If exploited, this vulnerability could allow attackers to access critical or all accessible data in the Oracle Mobile Application Server. It may also enable them to disrupt services by causing a partial denial of service.

Compliance Impact

This vulnerability allows unauthorized access to critical data or complete access to all Oracle Mobile Application Server accessible data, which could lead to exposure of sensitive personal or health information. This may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information if such data is compromised.

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 affected versions (12.2.3-12.2.15) are updated to a patched version. Restrict network access to the MWA Terminal Server via TCP to trusted sources only.

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