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Tarsnap bug bounty program.

Plain answers on whether Tarsnap pays, how much legal protection it gives researchers, and where to send a report.

What kind of security program does Tarsnap run?

Tarsnap runs a bug bounty program that pays rewards, with no stated safe harbor.

At a glance

Pays bounties
Yes
Swag
No
Hall of fame
Not stated
Safe harbor
None
Security contact
cperciva@tarsnap.com
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

Type: bug bounty program. Data from the disclose.io open database (CC0), snapshot November 2026. Policies change — always read Tarsnap's own policy and scope before testing.

[ FAQ ] — Tarsnap: questions researchers ask

Does Tarsnap have a bug bounty program?

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Yes — Tarsnap runs a public bug bounty program that offers rewards. Check its policy for the reward table and what is in scope.

How do I report a vulnerability to Tarsnap?

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Read Tarsnap's published policy first and stay inside its scope. The listed security contact is cperciva@tarsnap.com. Include clear reproduction steps, impact and a proof of concept.

Does Tarsnap offer safe harbor to security researchers?

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Tarsnap's policy does not include a safe harbor commitment. Test carefully, stay strictly within scope, and consider reporting only what you find passively.

Does Tarsnap give swag or hall of fame credit?

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Tarsnap does not offer swag.

Is Tarsnap'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 Tarsnap 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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