CVE-2025-14894 in Livewire Filemanager
Summary
by MITRE • 01/16/2026
Livewire Filemanager, commonly used in Laravel applications, contains LivewireFilemanagerComponent.php, which does not perform file type and MIME validation, allowing for RCE through upload of a malicious php file that can then be executed via the /storage/ URL if a commonly performed setup process within Laravel applications has been completed.
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Analysis
by VulDB Data Team • 01/24/2026
The vulnerability identified as CVE-2025-14894 affects Livewire Filemanager, a popular file management component used within Laravel applications. This flaw resides in the LivewireFilemanagerComponent.php file where insufficient validation mechanisms exist for file type and MIME content verification. The absence of proper input sanitization creates a critical security gap that can be exploited by malicious actors to achieve remote code execution within affected systems. The vulnerability is particularly concerning because it leverages a common pattern in Laravel application deployments where the storage directory becomes publicly accessible through the /storage/ URL path, a standard configuration that many developers implement without fully understanding the security implications.
The technical exploitation of this vulnerability follows a predictable attack pattern that aligns with CWE-434, which describes the weakness of allowing untrusted data to be uploaded to a web application. Attackers can upload malicious PHP files through the file manager interface without proper validation checks, bypassing standard security controls that should prevent execution of PHP code within upload directories. Once uploaded, these files can be executed directly through the /storage/ URL path when the Laravel application has been configured with the default storage symlink setup, which is commonly implemented in production environments. The attack chain demonstrates how insecure file upload handling combined with misconfigured web server permissions can create a path for arbitrary code execution.
The operational impact of this vulnerability extends beyond simple code execution to encompass potential full system compromise within affected environments. Organizations using Livewire Filemanager without proper file validation mechanisms face significant risk of data breaches, system infiltration, and potential lateral movement within their network infrastructure. The vulnerability affects applications where the storage directory is accessible through the web root, which represents a substantial portion of Laravel deployments in production environments. Security teams must consider the broader implications of this vulnerability when assessing their application security posture, as it can serve as an initial foothold for more sophisticated attacks that may leverage the compromised system for further reconnaissance and exploitation.
Mitigation strategies for CVE-2025-14894 should focus on implementing robust file validation controls and proper web server configuration. Organizations must ensure that file uploads are validated against both file extensions and MIME types, implementing strict whitelisting policies for acceptable file types. The recommended approach includes configuring web servers to prevent execution of PHP files within upload directories, implementing proper access controls for storage directories, and ensuring that the storage symlink is not configured to make sensitive directories publicly accessible. Additionally, organizations should consider implementing web application firewalls and security monitoring solutions to detect and prevent unauthorized file upload attempts, while following ATT&CK framework guidelines for preventing initial access and execution through file upload vulnerabilities. Regular security audits and dependency updates should be prioritized to ensure that all components within the Laravel application stack remain protected against known vulnerabilities.