CVE-2026-118541 in Commerce Core Extension
Summary
by MITRE • 10/30/2026
Incorrect Authorization vulnerability in Drupal Commerce Core allows Forceful Browsing. This issue affects Commerce Core versions: from 0.0.0 to 2.41.0, from 3.0.0 to 3.3.13.
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Analysis
by VulDB Data Team • 10/30/2026
The identified security flaw within the Drupal Commerce Core module represents a critical failure in access control mechanisms, specifically categorized under CWE-639 as Authorization Bypass Through Forceful Browsing. This vulnerability exists across multiple versions of the software, impacting releases from version 0.0.0 up to 2.41.0 and extending through the 3.x branch up to version 3.3.13. The core issue stems from an insufficient validation process when handling user requests for specific administrative or sensitive resources within the e-commerce framework. Unlike authentication failures where a user is denied entry due to lack of identity, this flaw allows authenticated users who possess valid credentials but lack the necessary privileges to access restricted endpoints by directly manipulating URL parameters or request identifiers.
From a technical perspective, the vulnerability arises because the application logic fails to verify that the requesting entity has explicit permission for the specific resource being accessed via its unique identifier. In many web applications, including Drupal-based systems, resources such as order details, customer profiles, or configuration settings are often referenced by sequential IDs. If the server-side code relies solely on the presence of a valid session token rather than checking if that session is authorized to view data associated with a specific ID, an attacker can iterate through these identifiers. This allows them to retrieve information belonging to other users or administrative configurations without triggering any access denial errors, effectively bypassing the intended role-based access controls.
The operational impact of this vulnerability is severe for organizations relying on Drupal Commerce for their online operations. Attackers can exploit this flaw to perform unauthorized data exfiltration, gaining visibility into sensitive customer personally identifiable information including names, addresses, and payment details associated with order IDs. Furthermore, if the affected endpoints allow modification rather than just retrieval, attackers could potentially alter order statuses, cancel transactions, or manipulate pricing configurations. This not only compromises the confidentiality of user data but also threatens the integrity of business operations and financial records. The ability to force browse administrative interfaces can lead to further exploitation chains where initial access is leveraged for more destructive actions such as defacement or complete system compromise.
In terms of threat modeling, this vulnerability aligns with MITRE ATT&CK technique T1078 which covers Valid Accounts, specifically the sub-technique related using valid accounts in an unintended manner. It also relates to T1530 Data from Local System Repositories as attackers can harvest data stored within the application database that they are not supposed to access. The lack of proper object-level authorization means that even users with low privilege levels, such as standard customers or basic staff members, can escalate their effective privileges by accessing resources assigned to higher-privileged roles simply by guessing or enumerating resource identifiers.
To mitigate this risk, immediate action is required to update the Drupal Commerce Core module to a version beyond 2.41.0 and 3.3.13 where these authorization checks have been corrected. Developers must ensure that all API endpoints and administrative pages implement strict object-level permission checks before processing any request. This involves verifying not only that the user is authenticated but also that they hold the specific role or permission required to interact with the particular resource identified in the request. Additionally, implementing rate limiting on sensitive endpoints can help mitigate automated enumeration attacks aimed at discovering valid IDs through forceful browsing techniques. Regular security audits and penetration testing focusing on access control logic are recommended to identify similar weaknesses across other modules within the Drupal ecosystem.