CVE-2026-73922

Modified Modified - Updated After Analysis

Unauthenticated Data Access in Oracle Helidon

Publication date: 2026-08-18

Last updated on: 2026-08-28

Assigner: Oracle

Description

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: Imperative Web Server). Supported versions that are affected are 1.0.0-1.4.18. 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:
Percentile:

Meta Information

Published

2026-08-18

Last Modified

2026-08-28

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-06

NVD

CVE-2026-73922

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	helidon	1.4.19

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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. The flaw enables unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to all Helidon-accessible data.

Detection Guidance

To detect this vulnerability, check if your system is running Helidon version 1.4.19. Use commands like 'java -jar helidon.jar --version' or inspect application logs for Helidon framework references. Monitor network traffic for HTTP requests targeting Helidon services.

Impact Analysis

An attacker could exploit this to steal, alter, or delete sensitive data processed by Helidon. This includes critical business or user data, leading to data breaches, financial loss, or reputational damage. The high CVSS score indicates a severe risk of confidentiality and integrity violations.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations using Helidon may face compliance violations, legal penalties, and loss of trust due to potential data breaches.

Mitigation Strategies

Update Helidon to a version later than 1.4.19. If immediate update is not possible, restrict network access to the Imperative Web Server component via firewall rules or disable the service if not required.

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