CVE-2026-83030: oracle corporation oracle managed file transfer Improper Access Control

Vulnerability summary

CVE-2026-83030 is a high (CVSS 8.3) Improper Access Control vulnerability in oracle corporation oracle managed file transfer. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.2% of scored vulnerabilities.

Timeline

1. 15-09-2026
   PublishedVulnerability first disclosed.
2. 16-09-2026
   Last modifiedVulnerability information updated.

Description

Vulnerability in the Oracle Managed File Transfer product of Oracle Fusion Middleware (component: MFT Runtime Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via T3, IIOP to compromise Oracle Managed File Transfer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Managed File Transfer accessible data as well as unauthorized read access to a subset of Oracle Managed File Transfer accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Managed File Transfer. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H).

• CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.