Bug bounty program
CO
Coinbase
Most upvoted reports80
All reports| Report | Weakness | Disclosed | Bounty | Votes |
|---|---|---|---|---|
| Double Payout via PayPalAnalysed#307239 | Input Validation and Logic | 2018-04-04 | $10,000 | 324 |
| Ethereum account balance manipulationAnalysed#300748 | Input Validation and Logic | 2018-03-21 | – | 276 |
| ETH contract handling errorsAnalysed#328526 | Input Validation and Logic | 2018-04-04 | – | 208 |
| HTML injection in apps user review#104543 | No weakness recorded | 2015-12-21 | $200 | 31 |
| Authentication Issue#176979 | Access Control | 2017-01-05 | $200 | 27 |
| [buy.coinbase.com]Content Injection#218680 | No weakness recorded | 2017-05-25 | – | 26 |
| Captcha Bypass in Coinbase SignUp Form#246801 | Misconfiguration and Insecure Design | 2017-09-05 | $100 | 23 |
| Bypassing 2FA for BTC transfers#10554 | Authentication | 2014-09-25 | $1,000 | 18 |
| OAuth authorization page vulnerable to clickjacking#65825 | Authentication | 2016-02-07 | – | 16 |
| Prepopulation of email address and name leaks information provided to other merchants#316290 | Misconfiguration and Insecure Design | 2018-04-02 | – | 16 |
Subdomains1,045
| Name | Scope | First seen |
|---|---|---|
| test.base.orgtest | In scope | 2026-11-14 |
| flashblocks-demo.base.orgtest | In scope | 2026-11-14 |
1,037 names are covered by the program's own scope; 0 were first seen this week. Names come from ProjectDiscovery's public Chaos dataset (passive sources: certificate logs, DNS and other public data), matched to the program by its listing and its own domain scope. A name being in a dataset is not permission to test it: only what the program's own scope says is in scope, and its policy decides. CyberSIXT does not resolve, probe or scan these names. Tags come from the name alone. Source: ProjectDiscovery Chaos. Subdomains on the Atlas, or search the subdomains of every program.
A name in a dataset is not permission to test it: the program's own scope and rules decide. Data as of 2026-11-14.