There has been an update from Blesta's team regarding a security issue within the billing software.

From their website:

A path traversal vulnerability may lead to account compromise and RCE (Remote Code Execution) through vulnerability chaining. We recommend applying the appropriate patch for your release as soon as possible, or by upgrading to version 5.9.2.

Link to the issue: https://www.blesta.com/2024/02/08/security-advisory/

Apply the patch to your Blesta installation as soon as possible.