Polymarket customers lose $2.97 million, company blames third-party vendor
Web3 is Going Just Great [Unofficial]
June 25, 2026
Polymarket customers have lost around $2.97 million to an attacker who then swapped stolen Polymarket USD (pUSD) to ETH.Polymarket, a crypto-based prediction markets platform, quickly made an announcement to claim that a third-party vendor had been compromised to allow an attacker to inject a malicious script into the website frontend. Polymarket has said it will refund affected customers. Tweet by Polymarket Tweet by Specter
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