What is CVE-2026-83462?

CVE-2026-83462 is a critical-severity vulnerability in Oracle Corporation Mobile Application Server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-09-15.

How severe is CVE-2026-83462?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Oracle Corporation Mobile Application Server

CVE-2026-83462

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).

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Corporation Mobile Application Server

Weakness classification (CWE)

References

secalert_us@oracle.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-83462?: CVE-2026-83462 is a critical-severity vulnerability in Oracle Corporation Mobile Application Server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-09-15.
How severe is CVE-2026-83462?: Critical severity. CVSS v3 base score is 9.8 out of 10.