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Vladimir Osipov

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Joined on Nov 11, 2026

Vladimir Osipov for Excession Labs

Nov 11

Race condition vulnerability in a single-use coupon endpoint

#security #webdev #appsec #concurrency

8 min read

Vladimir Osipov for Excession Labs

Nov 11

SQL injection example: login bypass and UNION reads on a local API

#security #webdev #appsec #sql

8 min read

Vladimir Osipov for Excession Labs

Nov 11

IDOR vulnerability: a local example with PUT and DELETE

#security #webdev #appsec #idor

7 min read

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