- Top reward
- Not published
- Top severity paid
- Not published
- Assets in scope
- 0
- Public CVEs
- 0
- Last change
- No changes yet
At a glance
What to know before you start testing.
- Pays cash
- Amounts are not published; ask before you invest time.
- Report by email
- [email protected]
- No safe harbor
- No promise about legal action.
- No public write-ups
- Keep findings private.
Rewards
What the company's own policy page says it pays.
The policy page has no reward table. Here is what it says, in its own words.
- Pays cash
-
Yes
Our bug bounty program offers Bitcoin rewards to anyone who discovers a new vulnerability in our code.
Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original
Scope
0 assets you may test, 5 excluded.
Self-hosted does not list the scope of this program publicly. Check its policy.
Out of scope (5)
- Denial of Service
- Issues requiring physical access to hardware
- Social engineering
- Usability issues
- Vulnerabilities in 3rd party software (Ruby, nginx, etc)
Rules
What the policy asks of you, and the bug types it won't reward, quoted from CoinJar's policy. "We" in these lines means the program, not this site.
While testing
-
Discover an entirely unknown vulnerability.
-
Alert us before posting the bug anywhere else – and give us sufficient time to patch the issue.
-
Not use the exploit to steal money or data from CoinJar or its customers. If the exploit requires account access, you must use your own.
Not accepted
-
Social engineering
-
Issues requiring physical access to hardware
-
Vulnerabilities in 3rd party software (Ruby, nginx, etc)
-
Denial of Service
-
Usability issues
Summarised with AI from the company's policy, read 12 Nov 2026, and checked word for word against it. Read the original
Changes
Tracked since 11 Nov 2026. Last checked 5 hours ago.
No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.
Public CVEs
Published vulnerabilities in this vendor's products, from the NVD.
No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.