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Legacy scores
CHALLENGES—120 bugs · 21 challenges · 3 apps

Hunt the bugs. Score the reports.

Each challenge points you at a broken surface in a playground: file a bug report and get graded.

New — hunt by bug type: pick the bug, then the app →

PLAYGROUND
TYPE
DIFF
#TitlePlaygroundDifficultySeverityGlobal %Score
01
Auth endpoint accepts invalid credentials
contractsecurity
Legacy
Medium— bring toolsHIGH——
02
GET /products leaks inactive items
contractdata
Legacy
Medium— bring toolsMED
100%
—
03
FHIR R4 services — Interconnect bug hunt
fhirehrapi
Health
Medium— bring toolsHIGH——
04
TapTrust Federal teller console — ledger + approval bug hunt
ledgerauthzcaching
Banking
Medium— bring toolsHIGH——
05
Quality Mart checkout — pricing, tax, and coupon bug hunt
checkoutpricingdata
Retail
Medium— bring toolsHIGH——
06
Quality Mart cart & orders — concurrency and authorization bug hunt
cartauthzstate
Retail
Medium— bring toolsHIGH——