Troubleshooting Tip: Resolving the CSRF verification failed error on FortiSandbox

Description

This article describes a solution to the issue of encountering a 'CSRF verification failed error' when attempting to submit a file to FortiSandbox. The error occurs after upgrading FortiSandbox, and the file submission process completes but does not proceed further, resulting in a 403 error.

Scope

FortiSandbox.

Solution

This issue is most commonly observed after upgrading the software version, where the error 'Forbidden (403) CSRF verification failed. Request aborted.' is displayed after the results.

<div id="summary">
<h1>Forbidden <span>(403)</span></h1>
<p>CSRF verification failed. Request aborted.</p>

To resolve the CSRF verification failed error on FortiSandbox, follow these steps:

1. Try submitting the file using a different browser or in Incognito Mode to isolate the issue.

2. Clear the browser cache and cookies, then attempt to submit the file again.

3. If the issue persists, try forgetting the website in the browser history and then log in again to submit the file.

By following these steps, the CSRF verification failed error should be resolved, and file submission to FortiSandbox should be successful.