CVE-2026-73879

HighCVSS 7.5

Published: 18/08/2026(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

Vulnerability in Oracle Fusion Middleware Helidon (Imperative Web Server) version 4.5.1. An unauthenticated attacker can perform unauthorized creation, deletion, or modification of critical data or all Helidon accessible data via HTTP. CVSS 7.5 (Integrity impact).

Risk Assessment

The risk is potential unauthorized modification or deletion of data, compromising data integrity and leading to serious business consequences.

Recommendation

Apply vendor patches or update Helidon to a fixed version. Restrict access and monitor network activity.

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 4.5.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. 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 7.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N).