CVE-2026-101568

Medium

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-health). Supported versions that are affected are 3.0.0-3.2.21, 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

SeverityMedium

CVSS5.3

Exploit probability—

ProductHelidon

PublishedOct 20, 2026

First seenOct 20, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Vendor advisories

oracle.com/security-alerts/cpuoct2026.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation Helidon	3.0.0 ≤ v ≤ 3.2.21, 4.0.0 ≤ v ≤ 4.5.5, 27.0.0	—

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