CVE-2026-83459 vulnerability in Oracle Products
Published on September 15, 2026
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-media-multipart). Supported versions that are affected are 3.0.0-3.2.20. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).
Vulnerability Analysis
CVE-2026-83459 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-83459 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-83459
stack.watch emails you whenever new vulnerabilities are published in Oracle Helidon or Oracle. Just hit a watch button to start following.
Affected Versions
Oracle Corporation Helidon:- Version 3.0.0, <= 3.2.20 is affected.