Live › vulnerability › CVE-2026-101584
Go to dashboardThe helidon-webclient-websocket component of Oracle's Helidon framework has a flaw reachable over HTTP without credentials. A remote attacker can read a subset of data Helidon can access and partially disrupt the service.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Applications built on Helidon 4.0.0 through 4.5.5 or 27.0.0 that include the helidon-webclient-websocket component. Teams on other Helidon versions or without the WebSocket client module can skip it. The sources do not describe further configuration conditions.
No product ranges from the sources yet.
io.helidon dependency version in pom.xml or build.gradle) and see whether it falls in 4.0.0 through 4.5.5 or 27.0.0.helidon-webclient-websocket artifact.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-websocket). 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 to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 6.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).
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