CVE-2026-101584

MEDIUMCVSS 6.5/10EPSS 0.27%

Last modified

CVE-2026-101584 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability
0.27%

18.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

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

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-101584?
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).
How severe is CVE-2026-101584?
CVE-2026-101584 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2026-101584?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST