Uploaded December 2022 | Updated September 2026, 2 weeks ago

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We explore joern for the first time to write a query that can help us find a GraphQL authorization issue.

Using CodeQL to find the same issue: youtube.com/watch?v=VrF1RwnJzBk&list=PLGPckJAmiZCR3BIPhpmOL3l0wC6hBCk6W&index=1
Watch the Series: youtube.com/playlist?list=PLGPckJAmiZCR3BIPhpmOL3l0wC6hBCk6W

joern: joern.io
RedEye Repository: github.com/cisagov/RedEye

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Chapters:
00:00 - Intro
00:31 - Recap: Research with CodeQL
01:51 - Setting Up joern
07:00 - First Tests with joern
15:31 - Realizing We Can Use Regex
20:06 - TypeScript vs. Transpiled JavaScript
21:25 - decorators in Transpiled JavaScript
35:23 - Building the Query
37:24 - Outro

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