CVE-2026-83480

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: WebSocket). Supported versions that are affected are 4.0.0-4.5.4. 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).

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cspusep2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*

History

25 Sep 2026, 19:27

Type	Values Removed	Values Added
References	~~() https://www.oracle.com/security-alerts/cspusep2026.html -~~	() https://www.oracle.com/security-alerts/cspusep2026.html - Vendor Advisory
CPE		cpe:2.3:a:oracle:helidon::::::::
First Time		Oracle Oracle helidon

18 Sep 2026, 17:17

Type	Values Removed	Values Added
CWE		CWE-400

Information

Published : 2026-09-15 20:18

Updated : 2026-09-25 19:27

NVD link : CVE-2026-83480

Mitre link : CVE-2026-83480

CVE.ORG link : CVE-2026-83480

JSON object : View

Products Affected

oracle

helidon

CWE

CWE-400

Uncontrolled Resource Consumption

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