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Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Terminal Server). (CVE-2026-83464)

0
High
Published: 09/15/2026 (09/15/2026, 21:32:42 UTC)
Source: GCVE Database

Description

A vulnerability exists in the Oracle Mobile Application Server component of Oracle E-Business Suite versions 12.2.3 through 12.2.15. This vulnerability allows an unauthenticated attacker with network access via TCP to potentially take over the Oracle Mobile Application Server. The vulnerability is rated with a CVSS 3.1 base score of 8.1, indicating high severity with impacts on confidentiality, integrity, and availability. Oracle has released security patches addressing this and many other vulnerabilities in their September 2026 Critical Security Patch Update. Customers are strongly advised to apply these patches promptly to mitigate the risk.

CVSS v3.1

Score 8.1high

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Affected versions
>=12.2.3 <=12.2.15

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/16/2026, 03:45:23 UTC

Technical Analysis

CVE-2026-83464 is a vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite, specifically in the MWA Terminal Server component. It affects supported versions 12.2.3 through 12.2.15. The vulnerability is difficult to exploit but allows an unauthenticated attacker with network access via TCP to compromise the server, potentially resulting in full takeover. The CVSS 3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability. Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 other patches. Oracle strongly recommends applying these patches without delay to prevent exploitation.

Potential Impact

Successful exploitation of this vulnerability can lead to complete compromise of the Oracle Mobile Application Server, affecting confidentiality, integrity, and availability of the system. The attacker does not require authentication but must have network access via TCP. The vulnerability is rated high severity with a CVSS 3.1 score of 8.1.

Mitigation Recommendations

Oracle has released security patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply the relevant patches for Oracle E-Business Suite versions 12.2.3 through 12.2.15 promptly. Oracle strongly recommends staying on actively supported versions and applying security patches without delay to mitigate this and other vulnerabilities. No additional mitigations are specified beyond patching.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-5vp8-xq3c-pvx5
Osv Schema Version
1.4.0
Aliases
["CVE-2026-83464"]
Database Specific Severity
HIGH
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6aaa07db55bf5e2cf5ea2e3b

Added to database: 09/16/2026, 03:07:07 UTC

Last enriched: 09/16/2026, 03:45:23 UTC

Last updated: 09/16/2026, 06:01:23 UTC

Views: 1

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