Polymarket to reimburse users after third-party compromise triggers $3M phishing attack

First reported June 25, 2026 by AMBCrypto · covered by 3 sources

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Polymarket to reimburse users after third-party compromise triggers $3M phishing attack

The prediction market platform says it has contained a third-party frontend compromise and will fully reimburse users affected by the phishing attack.

Jun 25, 2026 · byAMBCrypto

Polymarket to Refund Users After Hackers Steal $3M in Frontend Attack

Security researchers classified the incident as a supply chain attack rather than a flaw in Polymarket's core contracts.

Jun 26, 2026 · byCryptoPotato

Polymarket to refund users after $2.94M frontend phishing attack

Polymarket has confirmed that attackers compromised a third party vendor and used the access to inject malicious code into the platform’s frontend, leading to a phishing attack that drained an estimated $2.94 million from users. Polymarket disclosed on X that…

Jun 26, 2026 · byCrypto.news