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9.8

Oracle Mobile Application Server can be taken over

CVE-2026-83462 · published 25 days ago
Summary

Versions 12.2.3 through 12.2.15 of Oracle Mobile Application Server are at risk. An attacker who can reach the server over the network can gain full control without needing a login. Apply the latest security update from Oracle or contact your support team promptly.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle corporation oracle mobile application server <= 12.2.15
Original advisory text
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 exploitab...
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 takeover of Oracle Mobile Application Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-287Improper Authentication
CWE-306Missing Authentication for Critical Function
Timeline
Published15 Sep 2026
Updated11 Oct 2026
First seen15 Sep 2026
Sources
CVE-2026-83462 · NVD
CVE-2026-83462 · MITRE
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