CVE-2026-73939

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.19. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data. CVSS 3.1 Base Score 8.6 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N).

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://www.oracle.com/security-alerts/cspuaug2026.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:oracle:helidon:3.2.20:*:*:*:*:*:*:*

History

22 Oct 2026, 17:09

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad en el producto Helidon de Oracle Fusion Middleware (componente: Servidor web imperativo). La versión compatible que está afectada es la 3.2.20. La vulnerabilidad fácilmente explotable permite a un atacante no autenticado con acceso a la red vía HTTP comprometer Helidon. Aunque la vulnerabilidad está en Helidon, los ataques pueden tener un impacto significativo en productos adicionales (cambio de alcance). Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de creación, eliminación o modificación a datos críticos o a todos los datos accesibles por Helidon. Puntuación Base CVSS 3.1 de 8.6 (impactos en la integridad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N).

Information

Published : 2026-08-18 21:18

Updated : 2026-10-22 17:09

NVD link : CVE-2026-73939

Mitre link : CVE-2026-73939

CVE.ORG link : CVE-2026-73939

JSON object : View

Products Affected

oracle

helidon

CWE

CWE-284

Improper Access Control

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