CVE-2026-73877

MediumCVSS 5.3

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

Exploitation Probability (EPSS)

Low risk

0.32%

24th percentile - higher than 24% of all known CVEs

Summary

Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) version 3.2.18. An unauthenticated attacker can remotely access via HTTP to read a subset of data.

Risk Assessment

Data leak risk – attack does not require authentication and can be performed remotely, increasing attack surface.

Recommendation

Apply security updates for Helidon 3.2.18. Restrict access to the HTTP 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).