CVE-2026-13238 in Commerce Realex
Summary
by MITRE • 07/11/2026
Incorrect Authorization vulnerability in Drupal Commerce Realex / Global Payments allows Forceful Browsing. This issue affects Commerce Realex / Global Payments versions: from 0.0.0 to 3.0.2.
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Analysis
by VulDB Data Team • 07/11/2026
The vulnerability under discussion represents an incorrect authorization flaw within the Drupal Commerce Realex/Global Payments module, specifically impacting versions ranging from 0.0.0 through 3.0.2. This weakness enables attackers to perform forceful browsing attacks by manipulating access controls that should otherwise restrict unauthorized users from accessing sensitive payment processing functionalities. The issue stems from inadequate validation of user permissions during transaction handling processes, creating opportunities for malicious actors to bypass intended security boundaries.
From a technical perspective, the vulnerability manifests when the module fails to properly verify user authorization levels before granting access to payment gateway interfaces and transaction processing capabilities. This misconfiguration allows authenticated users with limited privileges to potentially navigate to administrative sections or sensitive endpoints that should be restricted to authorized personnel only. The flaw operates at the application level where access control mechanisms are insufficiently enforced during session management and request routing within the commerce payment processing workflow.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it could enable attackers to manipulate payment transactions, view sensitive customer data, or potentially execute fraudulent activities through the compromised payment gateway integration. Forceful browsing attacks exploiting this weakness could allow adversaries to access payment processing interfaces without proper authentication, leading to potential financial losses and data breaches. The vulnerability affects organizations using Drupal Commerce platforms with Realex/Global Payments integrations, creating widespread exposure across various e-commerce implementations that rely on these payment processing modules.
Security standards such as CWE-285 identify this issue as an improper authorization problem where the application fails to properly enforce access controls for protected resources. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts, as attackers can leverage legitimate user credentials to access restricted functionalities through flawed authorization checks. Organizations should immediately implement mitigations including updating to patched versions of the Commerce Realex/Global Payments module, implementing additional access control layers, and conducting comprehensive security reviews of all payment processing integrations. Network segmentation and monitoring of payment gateway access patterns can help detect and prevent exploitation attempts while maintaining compliance with payment card industry standards and data protection regulations.