CVE-2026-73921: helidon 1.4.20; +1 more affected products

CVE-2026-73921. CVSS 3.1 base score 9.8 (CRITICAL, Vendor/CNA). EPSS 0.00508 (percentile 0.42389), scored 21-Oct-2026.

Affected technology

helidon · 1.4.20
oracle

Helidon · 1.0.0 through 1.4.19
Oracle Corporation

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attacker with network access via HTTP can compromise Helidon. Vendor/CNA’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.

Published 22-Oct-2026 20:55 UTC

CWE: CWE-284
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00508 · percentile 0.42389 · 2026-10-21
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-22 20:50:20.011821+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-73921.html