Coordinated and Responsible Vulnerability Disclosure Free Bug Bounty Program 450,237 coordinated disclosures
241,203 fixed vulnerabilities
598 bug bounties with 1217 websites
12,195 researchers, 959 honor badges

Peter Hahn GmbH Bug Bounty Program

Peter Hahn GmbH runs a bug bounty program to ensure the highest security and privacy of its websites. Everyone is eligible to participate in the program subject to the below-mentioned conditions and requirements of Peter Hahn GmbH

Open Bug Bounty performs triage and verification of the submissions. However, we never intervene to the further process of vulnerability remediation and disclosure between Peter Hahn GmbH and researchers.

Bug bounty program allow private and public submissions.

Bug Bounty Scope

The following websites are within the scope of the program:

Non-Intrusive Submissions Handling

The following section encompasses submission of the vulnerabilities that do not require intrusive testing as per Open Bug Bounty rules:

- Cross Site Scripting (XSS)
- Open Redirect

- Cross Site Request Forgery (CSRF)
- Improper Access Control

General Requirements:

All (security) issues welcome!

Testing Requirements:

please keep scanner usage to a minimum

Possible Awards:

recommendation in researchers profile, if reproducible

Community Rating

Provided by security researchers who reported security vulnerabilities via this bug bounty program:

Response Time  How quickly researchers get responses to their submissions.
Remediation Time  How quickly reported submissions are fixed.
Cooperation and Respect  How fairly and respectfully researchers are being treated.

Researcher's comments

    13 September, 2019
Hey I have mailed to's email address kindly check them sir

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  Recent Recommendations

    11 October, 2019
A comprehensive report helped me quickly patch a vulnerability on a recently deployed client system. I very much appreciate you taking the time to report with a reproducible test case. Many thanks.
    10 October, 2019

Thank you for participating in our responsible disclosure program.

You helped us to solve a security vulnerability by informing us directly and delivering comprehensible examples.

We greatly appreciate your assistance in helping us maintain the security of our services.

Best regards
    10 October, 2019
Nicolas was quick to let us know what the vulnerabilities were on our site. Thanks again!
    10 October, 2019
Dear k0t,

The University of Vienna would like to thank you for your valuable contribution in finding a website security issue.

Your input is highly welcome and helps to raise the security level of our educational institution.

Servus and greetings from Vienna, Austria.
    10 October, 2019
Thank you very much for finding and evaluating a vulnerability on our website. Very professional and detailed communication.