CVE-2025-67728 Fireshare Public Uploads feature is vulnerable to OS Command Injection (RCE)

Critical 9.8 Published 12 Dec 2025 Updated 12 Dec 2025

Attackers can execute arbitrary system commands via malicious filenames in video uploads, leading to remote code execution.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-67728?

CVE-2025-67728 is a critical command injection vulnerability in ShaneIsrael fireshare, published on 12 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Fireshare facilitates self-hosted media and link sharing. Versions 1.2.30 and below allow an authenticated user, or unauthenticated user if the Public Uploads setting is enabled, to craft a malicious filename when uploading a video file. The malicious filename is then concatenated directly into a shell command, which can be used for uploading files to arbitrary directories via path traversal, or executing system commands for Remote Code Execution (RCE). This issue is fixed in version 1.3.0.

Weakness: CWE-77

Which versions are affected by CVE-2025-67728?

It affects 1 product.

Products include Shaneisrael Fireshare.

How do I fix CVE-2025-67728?

No fix has been published for CVE-2025-67728 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-67728 being exploited?

There is no known exploitation of CVE-2025-67728 in the wild and no public exploit code.

Sources

Also known as GHSA-c4f5-g622-q72m.