External risk intelligence

Channel Software WebAlliance eCommerce SOAP GetUser SQL Injection Vulnerability.

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-108065

The vulnerability exists in an eCommerce platform's web service endpoint (/preapproval.asmx). eCommerce platforms are designed to be internet-facing to facilitate transactions and external interactions, making this specific endpoint, which processes user-supplied data, commonly reachable from the public internet in standard deployments.

SQL Injection

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability in Channel Software WebAlliance eCommerce could allow unauthenticated attackers to compromise backend Microsoft SQL Server databases. This SQL injection flaw, present in the SOAP GetUser method, permits attackers to potentially read, write, or execute commands on the server by manipulating a specific parameter. The primary concern is confirming the relevance and exposure of this technology within your environment.

Unauthenticated database access via web service.
Critical backend data access and execution risks.
Confirm technology relevance and exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending a specially crafted request to the GetUser method within the /preapproval.asmx endpoint. This method is exposed via a web service and does not require authentication, meaning an attacker can target it directly over the network. By manipulating the `sUserID` parameter, an attacker can inject malicious SQL code, potentially leading to unauthorized access, modification, or execution of commands on the backend database.

Unauthenticated network access required.
Triggered via crafted `sUserID` parameter.
Allows data manipulation and command execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated remote attacker to execute arbitrary SQL commands on the backend Microsoft SQL Server database when interacting with the GetUser method of the /preapproval.asmx endpoint. This could potentially lead to unauthorized access, modification, or execution of commands on the server.

Backend SQL Server database.
Via crafted SOAP request to GetUser.
Unauthorized data access and modification.

Operational Fix

Recommended remediation, mitigation, and detection steps

Channel Software WebAlliance eCommerce's `GetUser` method is affected by a critical SQL injection vulnerability. Given the web-facing nature of eCommerce platforms and the unauthenticated remote exploitability, the platform owner and security team should prioritize identifying all instances of this software, confirming exposure, and assessing business criticality to plan a coordinated response.

Platform owner responsible for remediation.
Verify internet reachability and asset criticality.
Plan risk-based response and vendor coordination.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

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Frequently asked questions

What is Channel Software WebAlliance eCommerce?

Channel Software WebAlliance eCommerce is a software platform designed for online business operations. It provides an eCommerce environment that allows organizations to manage product catalogs, handle online transactions, and facilitate web-based interactions with customers. The platform includes web services, such as the .asmx endpoint, to enable these external communication functions.

What is CWE-89 in the context of CVE-2026-108065?

CWE-89 refers to Improper Neutralization of Special Elements used in an SQL Command, commonly known as SQL Injection. In this CVE, it means the application fails to properly sanitize user-supplied input before passing it to the backend Microsoft SQL Server. Because the input is not validated, an attacker can insert their own SQL commands, effectively tricking the database into executing unauthorized operations.

How is the SQL injection triggered in this CVE?

The vulnerability is triggered when an attacker sends a crafted SOAP request to the GetUser method located at the /preapproval.asmx endpoint. By including a single quote and a stacked SQL query within the sUserID parameter, the attacker forces the database to process malicious commands. Requests that do not contain this specific, malformed sUserID string will not trigger the vulnerability.

Who should be concerned about this vulnerability?

Organizations running WebAlliance eCommerce should be concerned, as Halo Surface Signal notes that eCommerce platforms are intentionally designed to be internet-facing to handle transactions. Because the affected endpoint handles user data and is typically exposed to the public internet, it is highly likely that your instance is reachable by remote attackers, increasing the risk of unauthorized database interaction.

What steps should I take if I use this software?

Start by identifying all instances of WebAlliance eCommerce within your environment to confirm which servers are hosting the affected /preapproval.asmx endpoint. Once identified, evaluate the system's internet accessibility and business criticality. Coordinate with your technical team to prioritize these assets and consult official vendor communications for updates or recommended configuration changes to secure the service.

References

www.rapid7.com/blog/post/ve-unauthenticated-sql-injection-in-channel…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.