CVE-2026-73925

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 read access to a subset of Helidon accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N).

CVSS Scores

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Meta Information

Published

2026-08-18

Last Modified

2026-08-28

Generated

2026-09-08

AI Q&A

2026-08-19

EPSS Evaluated

2026-09-07

NVD

CVE-2026-73925

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 exploit it via HTTP network access. The vulnerability enables unauthorized creation, deletion, or modification of critical data, as well as unauthorized read access to some data.

Detection Guidance

Detecting this vulnerability requires checking for vulnerable versions of Oracle Helidon 1.4.19. Inspect installed Helidon packages using commands like 'find / -name *helidon* 2>/dev/null' or 'dpkg -l | grep helidon' on Debian-based systems. Verify version with 'java -jar helidon.jar --version' if applicable.

Impact Analysis

An attacker could exploit this to access, modify, or delete sensitive data without authentication. This could lead to data breaches, loss of confidential information, or system compromise. The impact includes unauthorized data manipulation and exposure.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA due to unauthorized data access or modification. GDPR requires protection of personal data, while HIPAA mandates safeguards for health information. Exploitation may result in regulatory penalties or legal consequences.

Mitigation Strategies

Immediately upgrade Helidon to a non-vulnerable version. If upgrading is not possible, restrict network access to Helidon ports via firewall rules. Disable HTTP access if HTTPS is available. Monitor logs for suspicious activity targeting Helidon services.

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