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CVE-2026-101584

Vulnerability in the Helidon product of Oracle Fusion Middleware (component…

Risk score
43/100
CVSS
6.5 v3.1
Exploit chance (30 days)
0.3%
Published
20 Oct 2026

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What to know

What it is
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 vul…
Affected
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Yellow

  • CVSS 6.5 medium

References

Original description

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).

Last activity 20 Oct 2026. Patch Forecast updates every hour.