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Critical: Account Takeover via Interesting Logic Issue

Youssef Eid Youssef Eid pentestinghere/3id Published 27 Aug 2026
Published on hamzadzworm.medium.com Sign in to open the link

External writeup by Hamzadzworm (abdelkader mouaz): an account takeover on a passwordless SaaS, chaining an email-uniqueness bypass (a trailing space) with a session-invalidation gap that spared business-mode sessions. The basis for the Nimbus Workspaces scenario.