CVE-2026-91901 in Alienware Command Center
Summary
by MITRE • 11/02/2026
Dell Alienware Command Center (AWCC), versions prior to 6.14.54.0, contain an Improper Authorization in Handler for Custom URL Scheme vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Client-Side Request Forgery.
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Analysis
by VulDB Data Team • 11/02/2026
The Dell Alienware Command Center (AWCC), specifically versions prior to 6.14.54.0, contains a critical security flaw classified as an Improper Authorization within its handler for custom URL schemes. This vulnerability stems from the application's failure to adequately validate or restrict access controls when processing requests initiated through registered protocol handlers. Custom URL schemes are often used by applications to facilitate deep linking and integration with other software components, but they can become a significant attack vector if not properly secured. In this instance, the AWCC component does not enforce sufficient authorization checks before executing commands triggered via these custom protocols, allowing any entity that can trigger such requests to interact with privileged functionalities of the application without requiring elevated user credentials or explicit consent.
From a technical perspective, this flaw enables Client-Side Request Forgery (CSRF) attacks against users who have AWCC installed and running. An attacker with low-privileged remote access could craft malicious web pages or scripts that automatically trigger these custom URL schemes when visited by an authenticated victim. Because the browser or operating system treats these requests as legitimate interactions initiated by the user, the vulnerable application processes them without verifying whether the request originated from a trusted source or was authorized for execution in that context. This lack of validation allows attackers to perform actions on behalf of the victim, such as changing settings, launching commands, or potentially exfiltrating data if the handler exposes sensitive information through its response mechanisms.
The operational impact of this vulnerability is significant due to the nature of AWCC as a system utility with broad permissions over hardware and software configurations. Successful exploitation could allow an attacker to manipulate gaming profiles, alter performance settings, disable security features, or execute arbitrary commands within the context of the logged-in user. Since low-privileged attackers can exploit this remotely, it poses a risk in environments where users may visit untrusted websites while AWCC is active. The ability to perform CSRF attacks means that social engineering tactics combined with malicious web content could lead to unauthorized control over system configurations or potential escalation of privileges if subsequent actions leverage other vulnerabilities within the application ecosystem.
To mitigate this vulnerability, Dell has released updated versions of Alienware Command Center starting from version 6.14.54.0 which address these authorization flaws by implementing stricter validation for custom URL scheme handlers. Administrators and users should immediately upgrade to the latest stable release to ensure that improper access controls are resolved. In addition to updating software, organizations should enforce strict application whitelisting policies to prevent unauthorized execution of system utilities and implement network segmentation to limit remote access capabilities where possible. Security awareness training regarding phishing and malicious web content can also reduce the risk of users inadvertently triggering these exploits through social engineering campaigns targeting systems running vulnerable versions of AWCC.
This vulnerability aligns with CWE-269, which describes Improper Authorization, indicating that a security-relevant action is executed without proper verification of user permissions. Furthermore, it relates to ATT&CK technique T1534, known as Internal Spearphishing or more broadly within the context of web-based attacks, it reflects patterns associated with Client-Side Request Forgery where attackers leverage trusted relationships between browsers and applications to perform unauthorized actions. Understanding these mappings helps in categorizing the risk accurately within broader threat intelligence frameworks and ensures that defensive measures are aligned with industry-standard mitigation strategies for similar classes of vulnerabilities found in desktop application ecosystems.