Contact

BUG BOUNTY HUNTER

François
de Courville.

Bug bounty hunter and HEIG-VD student based in Switzerland.

BASED IN SWITZERLAND / HEIG-VD

~$42kTotal bug bounty earnings
2CVEs & advisoriesView public disclosures
HEIG-VDStudentSwitzerland

Reports over time

27 accepted or resolved reports since January 2025.

CriticalHighMediumLowNot disclosed

Payout received · 9 Oct 2026

Party deletion of an unlocked union member clears the union from locked sibling lists

Platform
SignalFisher
Bounty
≈ $1,805
Vulnerability
Not disclosed
Severity
Medium

Hover, tap, or focus a report to view its details.

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Security research

Public disclosures and bug bounty profiles.

The full technical details and vendor severity are available in the linked advisories.

About me

FRANÇOIS DE COURVILLE / FCC

I’m 22 and studying at HEIG-VD in Switzerland.

I look for vulnerabilities in web applications and report them through bug bounty programs.

I’m also building Relais, an app for running clubs.

Other projects

Other projects

Relais is an app for organizing club runs, managing RSVPs, and keeping in touch with members.

About Relais
A PROJECT BY FRANÇOISrelaisAn app for running clubsEXPLORE PROJECT

Contact

You can reach me by email.