CVE-2026-70727

MediumCVSS 5.3

Published: 18/08/2026(UTC)Updated: 20/08/2026(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 Helidon (component: Imperative Web Server) version 3.2.18. An unauthenticated attacker with network access via HTTPS can gain unauthorized read access to a subset of data. The attack is easy to exploit.

Risk Assessment

The risk is unauthorized access to part of data processed by the Helidon server, potentially compromising confidentiality.

Recommendation

Apply Oracle patches for Helidon and monitor network traffic 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS 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).