We protect
open source code.

Earn money for finding & fixing security vulnerabilities in open source projects and be recognised for protecting the world.


90% of users

Got their first CVE

1.7 CVEs

Avg. per user

Our code runs in 100+ repos

Back glow Disclosure page

The biggest bug bounty board in the world

With an almost unlimited scope, you will never fight with someone else over the same bounty.

Submit a disclosure

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Public write-ups

Once validated and patched, your disclosure write-up will be public.

Bounty list page

Pick and fix

If you don't have the skill to disclose, we also reward bounties for fixing verified vulnerabilities.

Browse live bounties

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Work with the best

Collaborate and build relationships with the linchpins of open source: maintainers.

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Be globally recognised

As a CNA, we can assign CVEs against your verified advisories.

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Show off

Your work, impact and achievements in one public place.