[ DB ] — Program directory · L
Lichess vulnerability disclosure.
Plain answers on whether Lichess pays, how much legal protection it gives researchers, and where to send a report.
What kind of security program does Lichess run?
Lichess runs a public security policy (rewards not stated), with safe harbor not stated.
At a glance
- Pays bounties
- Not stated
- Swag
- Not stated
- Hall of fame
- Not stated
- Safe harbor
- Not stated
- Security contact
- contact@lichess.org
- security.txt
- Not stated
- PGP key
- Not stated
- Public disclosure
- Not stated
- Disclosure timeline
- Not stated
- Preferred languages
- Not stated
- Policy page
- Live at last check
One policy covers 4 listed sites and brands
en.lichess.org · lichess.org · lichess1.org
Type: public security policy. Data from the disclose.io open database (CC0), snapshot November 2026. Policies change — always read Lichess's own policy and scope before testing.
[ FAQ ] — Lichess: questions researchers ask
Does Lichess have a bug bounty program?
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Lichess publishes a security policy for reporting vulnerabilities. The data does not state whether it pays rewards, so check the policy itself.
How do I report a vulnerability to Lichess?
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Read Lichess's published policy first and stay inside its scope. The listed security contact is contact@lichess.org. Include clear reproduction steps, impact and a proof of concept.
Does Lichess offer safe harbor to security researchers?
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The data does not state Lichess's safe harbor position. Look for "safe harbor" or "authorisation" wording in its policy before testing.
Which sites does Lichess's security policy cover?
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One Lichess policy covers 4 entries in the public database, including en.lichess.org, lichess.org, lichess1.org. Report issues on any of them through the same channel — and check each is in scope first.
Is Lichess's security policy still active?
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Its policy page was reachable when the disclose.io data was snapshotted (November 2026). Policies change, so always read the current version.
How do I write a report Lichess will accept?
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Lead with impact, give exact steps to reproduce, attach a minimal proof of concept and suggest a fix. Our guide on writing reports triagers love walks through each part.
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