If you believe you've identified a security vulnerability in Mastodon (a bug that allows something to happen that shouldn't be possible), you should send the report to **security@joinmastodon.org**. We will gladly reward such reports in proportion to the severity of the issue through our OpenCollective fund.
You should *not* report such issues on GitHub or in other public spaces to give us time to publish a fix for the issue without exposing Mastodon's users to increased risk.
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A "vulnerability in Mastodon" is a vulnerability in the code distributed through our main source code repository on GitHub. Vulnerabilities that are specific to a given installation (e.g. misconfiguration) should be reported to the owner of that installation and not us.
