CVE-2026-114530 in Dopup
Summary
by MITRE • 10/30/2026
Incorrect Authorization vulnerability in Drupal Dopup allows Forceful Browsing. This issue affects Dopup versions: from 0.0.0 to 1.0.7.
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Analysis
by VulDB Data Team • 10/30/2026
The identified security flaw within the Drupal module known as Dopup represents a critical failure in access control mechanisms, specifically categorized under CWE-284 Improper Access Control and mapped to MITRE ATT&CK technique T1078 Valid Accounts or potentially T1528 Steal Application Access Token depending on the authentication context. This vulnerability manifests as an instance of forceful browsing, where an attacker can manipulate input parameters to access resources that are intended for authorized users only. The root cause lies in the module's failure to adequately verify user permissions before processing requests directed at specific administrative or sensitive endpoints. By exploiting this logic gap, a malicious actor who has obtained valid credentials—or potentially even unauthenticated actors if certain entry points lack basic authentication checks—can traverse directories and invoke functions that should be restricted based on role-based access control policies.
The technical execution of this exploit typically involves the attacker identifying specific URLs or API endpoints associated with Dopup's functionality, such as configuration settings, user management interfaces, or data export features. Because the application does not enforce strict authorization checks at these points, the server processes the request and returns sensitive information or allows state-changing operations without validating whether the requesting entity possesses the requisite privileges. This behavior violates the principle of least privilege, allowing users to perform actions beyond their assigned roles. In versions ranging from 0.0.0 through 1.0.7, this oversight is pervasive enough that it could lead to significant data exposure or system compromise if left unpatched. The impact extends beyond simple information disclosure; depending on the specific endpoints affected, attackers might be able to modify site configurations, access private user data, or escalate privileges within the Drupal environment.
From an operational perspective, this vulnerability undermines the integrity and confidentiality of the web application hosted by Drupal. Attackers can use forceful browsing techniques to map out the internal structure of the Dopup module's administrative interface, identifying further weaknesses such as cross-site scripting vectors or SQL injection points that may be present in unprotected areas. The presence of such an authorization flaw also facilitates lateral movement within a compromised network if the Drupal instance is integrated with other systems via exposed APIs. For organizations relying on this module for content management or user engagement features, the risk includes reputational damage and potential regulatory penalties due to unauthorized access to personal data protected under frameworks like GDPR or HIPAA.
To mitigate this vulnerability, immediate action must be taken by upgrading the Dopup module to a version newer than 1.0.7, where these authorization checks have presumably been corrected by the developers. In environments where an upgrade is not immediately feasible, administrators should implement compensating controls such as web application firewall rules that restrict access to known vulnerable endpoints based on IP reputation or behavioral analysis. Additionally, enforcing strict role-based access control policies and regularly auditing user permissions can help minimize the attack surface. It is also advisable to review server logs for signs of forceful browsing attempts, characterized by frequent 403 Forbidden errors followed by successful accesses from specific source IPs, which may indicate active exploitation efforts. Regular security assessments and penetration testing should be conducted to ensure that similar authorization flaws do not exist in other parts of the application stack.