Vulnerability · Published Sep 15, 2026 · Assigned by oracle

CVE-2026-83462

Critical 9.8

In plain English

A critical-severity missing authentication in Oracle Mobile Application Server from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.5%top 56.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 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).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	Oracle Mobile Application Server	12.2.3 – through 12.2.15

Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Oracle Advisory vendor-advisory