CVE-2025-27142 LocalSend path traversal vulnerability in the file upload endpoint allows nearby devices to execute arbitrary commands

LocalSend is a free, open-source app that allows users to securely share files and messages with nearby devices over their local network without needing an internet connection. Prior to version 1.17.0, due to the missing sanitization of the path in the POST /api/localsend/v2/prepare-upload and th...

PT-2025-7912 · Localsend · Localsend

Name of the Vulnerable Software and Affected Versions: LocalSend versions prior to 1.17.0 Description: The issue arises from the missing sanitization of the path in the "POST /api/localsend/v2/prepare-upload" and "POST /api/localsend/v2/upload" endpoints, allowing a malicious file transfer reques...