Rejetto HTTP File Server contains an improper neutralization of special elements used in a template engine vulnerability. This allows a remote, unauthenticated attacker to execute commands on the affected system by sending a specially crafted HTTP request.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CWE-1336
The patched Rejetto HTTP File Server (HFS) is version 3: https://github.com/rejetto/hfs?tab=readme-ov-file#installation, https://www.rejetto.com/hfs/