Critical · published December 12, 2025
🔥 An authenticated user can craft a malicious filename to execute arbitrary commands on your server—just by uploading a video! Think of it like a sneaky delivery driver who slips a package with an incorrect label into your mailroom, allowing them to access sensitive areas of the building. This vulnerability doesn’t just let the driver in; it hands them the keys to the entire operation! An attacker could upload a file that not only penetrates the system but can also run dangerous commands. This can lead to full remote code execution (RCE), potentially compromising your entire server and accessing sensitive data. The impact could be absolutely devastating, as it opens the door for attackers to manipulate and even destroy critical assets.
Think of it like a sneaky delivery driver who slips a package with an incorrect label into your mailroom, allowing them to access sensitive areas of the building. This vulnerability doesn’t just let the driver in; it hands them the keys to the entire operation! CVE-2025-67728 allows attackers to exploit a path traversal vulnerability in Fireshare by uploading malicious filenames that are directly concatenated into shell commands, enabling them to execute arbitrary system commands on affected versions (1.2.30 and below).
An attacker could upload a file that not only penetrates the system but can also run dangerous commands. This can lead to full remote code execution (RCE), potentially compromising your entire server and accessing sensitive data. The impact could be absolutely devastating, as it opens the door for attackers to manipulate and even destroy critical assets. To secure your system, upgrade to Fireshare version 1.3.0 immediately. Additionally, review your file upload settings, ensuring that public uploads are always treated with caution, and consider implementing file name validation to prevent this kind of exploitation. You've got this! Follow these steps and become the hero your server needs! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| shaneisrael/fireshare | < 1.3.0 | 1.3.0 |