CVE-2026-101572

HighCVSS 7.5/10Last modified Oct 22, 2026

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http2). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP/2 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Helidon. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
Oracle CorporationHelidon>= 4.0.0, <= 4.5.5; 27.0.0

References

Timeline

Published
Oct 20, 2026
Last modified
Oct 22, 2026
NVD status
Undergoing Analysis

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CVE-2026-101572: High severity, CVSS 7.5 | Vulnix