Centers for Medicare & Medicaid Services bug bounty programs
cms.gov Updated
Centers for Medicare & Medicaid Services runs two public programs: a Bugcrowd bug bounty paying up to $7,000 and a self-hosted disclosure program with no cash rewards.
- Top reward
- $7,000
- Bugcrowd
- Programs
- 2
- 1 pays cash
- Targets in scope
- 24
- 2 types, deduplicated
- Last change
- None yet
- Tracked since Nov 2026
Where to report
2 programs, side by side. Report where the affected target is in scope; when two programs cover it, pick the one that pays more.
Start here
Centers for Medicare & Medicaid Services - Public Bug Bounty Program 2026
Bugcrowd · Pays the most of the 2 programs: up to $7,000.
| Program | Critical | High | Medium | Low | Top reward | Safe harbor | KYC | First response | Status |
|---|---|---|---|---|---|---|---|---|---|
Centers for Medicare & Medicaid Services - Public Bug Bounty Program 2026
Bugcrowd · Bug bounty |
$7,000 (highest) | $3,500 (highest) | $2,500 (highest) | $500 (highest) | $7,000 | Full | Required | – | Open |
|
Centers for Medicare & Medicaid Services
Self-hosted · Disclosure only |
– | – | – | – | No cash | Full | – | 3 days promised | Open |
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Centers for Medicare & Medicaid Services - Public Bug Bounty Program 2026
Bugcrowd · Bug bounty
Open
Top reward
$7,000- Critical
- $7,000 (highest)
- High
- $3,500 (highest)
- Medium
- $2,500 (highest)
- Low
- $500 (highest)
- Safe harbor
- Full
- KYC
- Required
-
- Safe harbor
- Full
- First response
- 3 days promised
Amounts are the top reward per severity in the currency each program pays. Green marks the highest per severity. First response is the platform's measured average when it publishes one, else what the policy promises.
What is in scope
24 targets across all 2 programs, each listed once with the programs that cover it. 7 excluded.
No target matches. Try part of a host name, such as the company name.
Out of scope 7
Don't test these. A program can exclude a host another program covers; the program you report to decides.
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Bugcrowd
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Bugcrowd
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Bugcrowd
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Bugcrowd
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Bugcrowd
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non-federal systems from our vendors
Self-hosted
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third-party applications, websites, or services that integrate with or link to or from CMS systems
Self-hosted
Recent changes
Reward and scope changes across every Centers for Medicare & Medicaid Services 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 cms.gov: 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.