CVE-2026-71160

Modified Modified - Updated After Analysis

Remote Code Execution in 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 and 3.0.0-3.2.17. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

EPSS Scores

Probability:
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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-2026-71160

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	helidon	3.2.18

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 3.2.18 and allows a low-privileged attacker with network access via HTTP to potentially take over the entire Helidon system. The vulnerability has a CVSS score of 7.5, indicating significant impact on confidentiality, integrity, and availability.

Detection Guidance

Detecting this vulnerability requires checking for vulnerable versions of Oracle Helidon 3.2.18. 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

If exploited, this vulnerability could allow an attacker to gain full control over the Helidon system, leading to unauthorized access, data breaches, or disruption of services. This could impact any organization using the affected version of Helidon for web services.

Compliance Impact

This vulnerability allows unauthorized takeover of the Helidon server, potentially leading to unauthorized access to sensitive data. This could impact compliance with GDPR (data confidentiality) and HIPAA (protected health information integrity) by exposing or altering sensitive information.

Mitigation Strategies

Upgrade Oracle Helidon to a version unaffected by this vulnerability. Apply Oracle's official patches immediately. Restrict network access to Helidon services via firewalls. Monitor for unusual activity and isolate affected systems if compromised.

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