CVE-2026-73873

MediumCVSS 4.2

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

Exploitation Probability (EPSS)

Low risk

0.20%

10th percentile - higher than 10% of all known CVEs

Summary

Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) version 3.2.18. A low-privileged attacker can remotely exploit via HTTP under difficult conditions to gain unauthorized update and read access to some data.

Risk Assessment

Risk of confidentiality and integrity breach, but attack is difficult to perform (high complexity).

Recommendation

Apply security updates for Helidon 3.2.18. Restrict network access to the server.

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 3.2.18. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 4.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N).