Lumin Help Center

What do I do if I find a security or vulnerability issue in Lumin?

At Lumin, the security of our customers is our top priority. This is why we have decided to reward anyone who finds a vulnerability issue in Lumin, read on to find out more.

November 24, 2025

Our Policy:

Here are the guidelines on what Lumin requires when reporting a vulnerability:

Different classes of vulnerabilities are paid out accordingly.
Clear information is required: step-by-step instructions on how to reproduce the issue, and screenshots (only available to Lumin).

Rewards:

Most Critical	600 USD - 1200 USD
Critical	400 USD - 600 USD
High	200 USD
Medium	100 USD
Low	50 USD

In Scope:

app.luminpdf.com
luminpdf.com
Android & iOS applications versions

Out of Scope:

How to report?

Please send all security reports to [email protected]

Find out more about what we're and what we're not looking for here.