Mass Assignment
Challenge Question
This API's registration endpoint accepts a JSON body and builds the new user record straight from whatever fields you send it, with no filtering and no whitelist. See what happens if you include a field the signup form was never designed to expose.Submit Flag
Details
- CategoryAPI Security
- Authortark
- AddedJul 4, 2026
- Avg. Time to Solve38d 15h
- First Blood🩸 ookoro
Recent Solvers
-
piyush69
5d ago
-
Max
Oct 18, 2026
-
amalmj
Oct 9, 2026
-
V1XU
Oct 4, 2026
-
ajay
Oct 2, 2026
-
suntzu
Aug 18, 2026
-
manideepgarrepelly
Aug 16, 2026
-
tkapoor
Aug 6, 2026
-
nwilson
Aug 3, 2026
-
tark
Jul 23, 2026