CVE Catalog

CVE-2026-101587

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.39%

31th percentile - higher than 31% of all known CVEs

Summary

Vulnerability in Helidon (component helidon-webclient-http1) affecting versions 4.0.0-4.5.5 and 27.0.0. Allows unauthenticated attacker with network access via HTTP to cause a partial denial of service (partial DoS) of Helidon.

Risk Assessment

An attacker could disrupt the availability of Helidon services, causing partial unavailability. This impacts system availability.

Recommendation

Update Helidon to the latest patched version. Monitor service availability for unusual disruptions.

Other vulnerabilities in Helidon

See all
Original NVD description (English source)

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webclient-http1). 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 ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS