Backpack Web & API bug bounty programs
backpack.exchange Updated
Backpack Web & API runs one public program: a HackenProof bug bounty paying up to $100,000.
- Top reward
- $100,000
- HackenProof
- Programs
- 1
- 1 pays cash
- Targets in scope
- 2
- 2 types
- Last change
- None yet
- Tracked since Nov 2026
Where to report
The one public program Backpack Web & API runs.
| Program | Critical | High | Medium | Low | Top reward | Safe harbor | KYC | First response | Status |
|---|---|---|---|---|---|---|---|---|---|
Backpack Web & API
HackenProof · Bug bounty |
$100k | – | – | – | $100,000 | – | – | – | Open |
-
- Critical
- $100k
- High
- –
- Medium
- –
- Low
- –
Amounts are the top reward per severity in the currency each program pays. First response is the platform's measured average when it publishes one, else what the policy promises.
What is in scope
2 targets. 5 excluded.
-
*.backpack.exchange
Wildcards
-
wss://ws.backpack.exchange
APIs
No target matches. Try part of a host name, such as the company name.
Out of scope 5
Don't test these. A program can exclude a host another program covers; the program you report to decides.
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backpack.app
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guide.backpack.exchange
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status.backpack.exchange
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support.backpack.exchange
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https://chromewebstore.google.com/detail/backpack/aflkmfhebedbjioipglgcbcmnbpgliof?pli=1
Recent changes
Reward and scope changes across every Backpack Web & API program, newest first.
No changes recorded yet. New targets and reward moves show up here and in the RSS feed.
About this page
This page gathers every public program listed under backpack.exchange: platform programs, self-hosted policies and security.txt contacts. Each program's own policy decides what is in scope and what it pays; check it before you test.
Something wrong or missing? Report a correction.