Report a security vulnerability

If you have found a security or an abuse risk related bug in a Lumin product and want to report it to us, you've come to the right place. Please fill out the following form and we'll be in touch shortly. If this is a valid vulnerability report, it might also be eligible for a reward as part of our Vulnerability Reward Program. Thanks!

  • I forgot my Lumin account's password or I cannot log in to Lumin Account

    - If you are using Google/Dropbox account to log in with Lumin, please use the reset password procedure from Google or Dropbox
    - If you use email/password to log in with Lumin:
    1. Make sure you enter the right email and Caplocks is turned off
    2. Try to log in on other web browsers
    3. If you cannot remember your password, access the Reset password page, enter your registered email. Then we will send you a link to reset password

  • I suspect another individual is using my Lumin account without my permission

    - If you use email/password to log in with Lumin:
    1. If you are logging in Lumin, Log out immediately. If not, skip to step 2.
    2. Access the Reset password page, enter your registered email. Then we will send you a link to reset password

  • I found bugs/issues/backdoors that can be exploited to compromise the Lumin System or Access Lumin Database illegally

    1. Access our Contact page at: https://www.luminpdf.com/contact
    2. Switch top Technical support tab, then select "Security" in Category field
    3. Enter your basic information for us to contact to you if needed
    4. Describe the way you find the issue/backdoor. Attach the screenshots if needed

Can’t find your question?

To find answers to many common questions and concerns about privacy and user data related to any Lumin product or service please contact us via [email protected]