CVE-2026-83281

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webserver. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Helidon. Successful attacks of this...

CVE-2026-83280

CVE-2026-83280 is a Denial of Service vulnerability in Oracle Helidon (component: helidon-webserver-http2 ), part of Oracle Fusion Middleware. Affected versions are 4.0.0 through 4.5.4 . An unauthenticated attacker with network access can send crafted requests via HTTP/2 to cause a hang or freque...

CVE-2026-83281

CVE-2026-83281 is a Denial-of-Service vulnerability in Oracle Fusion Middleware Helidon , specifically the helidon-webserver component, affecting versions 4.0.0 through 4.5.4 . An unauthenticated attacker with network access via TCP can cause a hang or frequently repeatable crash, resulting in a ...

PT-2026-92803

Vulnerability in the Helidon product of Oracle Fusion Middleware component: helidon-webserver. Supported versions that are affected are 4.0.0-4.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Helidon. Successful attacks of this...