CVE-2026-73897

MediumCVSS 6.5

Published: 18/08/2026(UTC)Updated: 28/08/2026(UTC)Translated: 29/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.26%

18th percentile - higher than 18% of all known CVEs

Summary

Vulnerability in Oracle Fusion Middleware Helidon product (component: Imperative Web Server) in versions 4.0.0-4.4.1. Easily exploitable flaw allows unauthenticated attacker with network access via HTTP to gain unauthorized update, insert or delete access to some Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data. CVSS 6.5 (Confidentiality and Integrity impacts).

Risk Assessment

The risk involves both unauthorized data modification and disclosure. The attack requires no authentication, increasing the likelihood of exploitation.

Recommendation

It is recommended to update Helidon to a patched version or apply available fixes. Also monitor HTTP traffic and restrict access to the server.

Other vulnerabilities in Helidon

See all

Original NVD description (English source)

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 4.0.0-4.4.1. Easily exploitable vulnerability allows unauthenticated 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 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS