CVE-2026-73892

Received Received - Intake

Unauthenticated Data Access in Helidon

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Oracle

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). The supported version that is affected is 4.5.0. 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).

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-18

Last Modified

2026-08-18

Generated

2026-08-19

AI Q&A

2026-08-19

EPSS Evaluated

N/A

NVD

CVE-2026-73892

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	helidon	4.5.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability affects Oracle Fusion Middleware's Helidon product, specifically version 4.5.0. It allows an unauthenticated attacker to remotely access and manipulate data through the Imperative Web Server component via HTTP. The impact includes unauthorized read, update, insert, or delete access to some Helidon data.

Impact Analysis

An attacker could exploit this to access or modify sensitive data stored in Helidon, potentially leading to data breaches, unauthorized changes, or loss of data integrity. The attack requires network access but no authentication.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Compliance may be compromised if sensitive data is exposed or altered.

Mitigation Strategies

Upgrade Helidon to a version later than 4.5.0 as it is affected by this vulnerability. Apply any available patches from Oracle immediately. Restrict network access to the Imperative Web Server component via firewalls or network segmentation. Monitor HTTP traffic for unusual activity targeting the vulnerable component.

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