CVE-2026-73923

Low

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 1.0.0-1.4.19. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

SeverityLow

CVSS3.7

Exploit probability—

Product

Oracle Helidon

PublishedAug 18, 2026

First seenAug 18, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cspuaug2026.html

Affected products

Product	Affected versions	Fixed in
oracle helidon	1.4.20	—

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