CVE-2026-83458

MediumCVSS 5.3/10Last modified Sep 28, 2026

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: JSON). 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).

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
Oracle Corporation	Helidon	>= 4.0.0, <= 4.5.4

References

https://www.oracle.com/security-alerts/cspusep2026.htmlVendor Advisory

Timeline

Published: Sep 15, 2026
Last modified: Sep 28, 2026
NVD status: Analyzed

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