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OpenAdvisories
High · 7.5 CVE-2026-83280 EUVD-2026-79632GHSA-q678-fh6j-vx7j

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-http2). Supported versions that are affected…

Published Sep 15, 2026 · Updated Sep 15, 2026 · Assigned by oracle

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-http2). Supported versions that are affected are 4.0.0-4.5.4. 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).

Affected products

VendorProductAffectedFixed
Oracle Helidon 4.0.0 – ≤ 4.5.4 —

Advisories 2

References