Authorization checks, 15 minutes, no tool

Authorization checks, 15 minutes, no tool
Image credit: Hacker News
Source: Hacker News

Authorization checks, 15 minutes, no tool

Change the number in the URL Log in as A, copy any URL with an id. `/invoice/1042`, `?user_id=7`. If B sees A's data you don't have authorization, you have a login screen. Meta paid $78k for one of these this year.2.

Key Points

  • Change the number in the URL Log in as A, copy any URL with an id. `/invoice/1042`, `?user_id=7`.
  • If B sees A's data you don't have authorization, you have a login screen.
  • Meta paid $78k for one of these this year.2.

Published: August 21, 2026 11:33 am


Source: Hacker News

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