plank laravel-mediable up to 6.x File Upload File::sanitizePath directory path traversal

Summaryinfo

A vulnerability was found in plank laravel-mediable up to 6.x and classified as critical. This affects the function File::sanitizePath of the component File Upload Handler. The manipulation of the argument directory results in path traversal. This vulnerability is cataloged as CVE-2026-49970. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in plank laravel-mediable up to 6.x. Affected is the function File::sanitizePath of the component File Upload Handler. The manipulation of the argument directory with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Laravel-Mediable before 7.0.0 contains a path traversal vulnerability in the File::sanitizePath() function that allows attackers to write uploaded files to arbitrary locations by controlling the directory argument passed to MediaUploader::toDestination(). Attackers can exploit the permissive character-class regex that allows both dot and slash characters combined with an ineffective trailing trim() call to bypass sanitization and upload files to sensitive locations such as the document root, environment configuration files, or application configuration directories, enabling remote code execution.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-49970 since 06/02/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 7.0.0 eliminates this vulnerability.

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Productinfo

Vendor

• plank

Name

• laravel-mediable

Version

• 6.x

Website

• Product: https://github.com/plank/laravel-mediable/

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