CVE-2026-71160

High

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 1.0.0-1.4.18 and 3.0.0-3.2.17. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

SeverityHigh

CVSS7.5

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	3.2.18	—

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