CVE-2026-71110

Modified Modified - Updated After Analysis

Memory Corruption 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, 3.0.0-3.2.17 and 4.0.0-4.4.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTPS 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 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/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

2026-09-07

NVD

CVE-2026-71110

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	helidon	4.5.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
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 4.5.0 and allows a low-privileged attacker with network access via HTTPS to compromise the system. Successful exploitation can lead to unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to all Helidon-accessible data.

Detection Guidance

Detection requires checking for vulnerable versions of Oracle Helidon 4.5.0. Inspect installed Helidon packages using commands like 'find / -name *helidon* 2>/dev/null' or package managers such as 'dpkg -l | grep helidon' (Debian) or 'rpm -qa | grep helidon' (RHEL). Monitor logs for unusual HTTPS access patterns or unauthorized data modifications.

Impact Analysis

If you use the affected Helidon version, an attacker could gain unauthorized access to your data, modify or delete critical information, or steal sensitive data. This could disrupt services, lead to data breaches, or cause compliance violations depending on the data involved.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR (data protection) or HIPAA (healthcare data privacy) requirements. Organizations using the affected Helidon version may face compliance failures, legal penalties, or reputational damage if exploited.

Mitigation Strategies

Update Helidon to a version later than 4.5.0 to address the vulnerability. Restrict network access to the Imperative Web Server component via HTTPS. Apply the principle of least privilege by limiting user permissions to reduce attack surface.

Hi! I’m here to help you understand CVE-2026-71110. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70