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Critical IDOR Discovery — Web3 Protocol
Identified a zero-click, unauthenticated IDOR vulnerability in a major L2 protocol's support infrastructure. Chained an unauthenticated wallet-to-userId lookup with an unprotected Server-Sent Events stream, enabling live surveillance of any user's private support tickets and KYC data with no authentication required. Two-command curl PoC. Submitted to protocol security team directly. Confidential.
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