Christian Mehlmauer
Security Professional at City of Vienna
Vienna, Austria
Summary
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RockstarChristian Mehlmauer is a Vienna-based security professional with 16 years of hands-on experience securing systems for public sector and open-source projects. He combines operational security work at the City of Vienna with entrepreneurially driven product work as the former owner of WPScan, demonstrating both institutional and offensive security perspectives. An active contributor to prominent security tools—most notably enhancements to gobuster (Go) and exploit work in the Metasploit Framework—he focuses on robust, user-friendly tooling, adding features like progress reporting, timeouts, and request cancellation. He also maintains a pragmatic approach to platform compatibility, shown by modernizing Android sample apps, which underscores a breadth across backend, mobile and security tooling. Notably, his contributions tend to improve reliability and developer experience rather than just adding features, reflecting a steady commitment to maintainable, production-ready security software.
16 years of coding experience
Github Skills (26)
http10
android-development10
java10
javas10
exploit10
php10
go10
api10
payload10
error-handling10
metasploit10
software-design9
system-design9
sys9
pentest9
Programming languages (23)
Github contributions (5)
OJ/gobuster
May 2018 - Dec 2022
Directory/File, DNS and VHost busting tool written in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 252 commits, 201 PRs in 4 years 8 months
Contributions summary:Christian contributed to the `gobuster` project by implementing and refining features within the core Go codebase. Their work involved adding functionality to directory mode, specifically incorporating status output and progress indicators. The user also addressed code quality by sorting status codes and adding error handling, demonstrating a focus on the robustness and user experience of the tool. Further enhancements included adding HTTP timeout and implementing context for request cancellation.
dnsgopentesting
rapid7/metasploit-framework
May 2012 - Feb 2021
Metasploit Framework
Role in this project:Back-end Developer
Back-end DeveloperContributions:469 commits, 124 PRs, 44 pushes in 8 years 10 months
Contributions summary:Christian primarily contributed to the Metasploit Framework, focusing on the modification of existing exploit modules. They changed the exit function to 'thread', indicating work related to post-exploitation or payload handling within the framework. The changes modified the behavior of the payloads to use a thread for execution, and the user worked on a range of exploits across different platforms.
metasploit
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