CVE-2026-73939

HighCVSS 8.6

Published: 18/08/2026(UTC)Updated: 19/08/2026(UTC)Translated: 19/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.34%

27th percentile - higher than 27% of all known CVEs

Summary

Helidon version 3.2.20 (component: Imperative Web Server) has an easily exploitable vulnerability allowing an unauthenticated attacker with network access via HTTP to compromise Helidon. Attacks may significantly impact additional products (scope change) and can result in unauthorized creation, deletion, or modification of critical data or all Helidon accessible data. CVSS 8.6.

Risk Assessment

An attacker can compromise data integrity, potentially leading to unauthorized changes in the system or data, and may affect other products.

Recommendation

Apply vendor-provided patches or upgrade Helidon to a fixed version.

Original NVD description (English source)

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 3.2.20. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. While the vulnerability is in Helidon, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data. CVSS 3.1 Base Score 8.6 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N).