CVE-2026-73924

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 1.4.19. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized access to critical data or complete access to all Helidon accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-2026-73924

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	helidon	1.4.19

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Fusion Middleware's Helidon product, specifically in the Imperative Web Server component. It affects version 1.4.19 and allows unauthenticated attackers to remotely exploit it via HTTP. Successful exploitation can lead to unauthorized data creation, deletion, or modification, as well as unauthorized access to critical or all accessible data.

Impact Analysis

If you use the affected Helidon version, an attacker could gain full access to your data, modify or delete it without authentication. This could lead to data breaches, loss of sensitive information, or system compromise, depending on the data stored.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's security rules. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Upgrade Helidon to a version later than 1.4.19 to address the vulnerability. Apply Oracle's official patches if available. Restrict network access to Helidon services via firewalls or network segmentation. Monitor for unusual activity or unauthorized data access.

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