CVE Catalog

CVE-2026-101570

LowCVSS 3.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.31%

23th percentile - higher than 23% of all known CVEs

Summary

Vulnerability in Helidon (component helidon-webserver-http2) affecting versions 4.0.0-4.5.5. A difficult-to-exploit attack via HTTP/2 allows an unauthenticated network attacker to cause a partial denial of service.

Risk Assessment

May lead to partial unavailability of Helidon-based services, disrupting application operation.

Recommendation

Update Helidon to a version later than 4.5.5 or apply the vendor's available patches.

Other vulnerabilities in Helidon

See all
Original NVD description (English source)

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-webserver-http2). Supported versions that are affected are 4.0.0-4.5.5. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP/2 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 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

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