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The article explains exploiting a race condition in a Starlette app to bypass os.stat checks, using symlinks, and ultimately retrieving the flag from /proc/self/environ.

Challenge Description n c p s a a o o m t i l e e n v : g t e o s s I r : : n y t : 1 8 r 0 9 u w 0 d e p s e b t o r s l e v x e p s l o i t a t i o n I just made a book library website! Let me know what you think of it! ...