CVE-2026-71065

Critical

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 3.0.0-3.2.17. 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 access to critical data or complete access to all Helidon accessible data as well as unauthorized update, insert or delete access to some of Helidon accessible data. CVSS 3.1 Base Score 9.3 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N).

SeverityCritical
CVSS9.3
Exploit probability—
ProductOracle Helidon
PublishedAug 18, 2026
First seenAug 18, 2026

How to fix

Affected products

ProductAffected versionsFixed in
oracle helidon3.2.18—

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CVE-2026-71065 · Oracle Helidon · Dark Radar