SEPTEMBER 17, 2026
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Case File

CVE-2026-83459

MEDIUM · CVSS 5.3 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-15 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A vulnerability exists in the Helidon component of Oracle Fusion Middleware, affecting versions 3.0.0 to 3.2.20, which allows unauthenticated attackers with network access to exploit the system via HTTP. Successful exploitation can lead to a partial denial of service, impacting the availability of Helidon services. Organizations using the affected versions should prioritize remediation to mitigate potential disruptions to their operations.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-83459
Severity
MEDIUM
CVSS
5.3
EPSS
0.40%
Oracle

Original NVD Description

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).