BreachesApr 28, 2026
‼️ Polymarket, the decentralized prediction market platform, has allegedly been breached, with 30...
Polymarket prediction platform breached; 300K+ records leaked on cybercrime forum.
Summary
Polymarket, a decentralized prediction market platform, suffered a data breach exposing over 300,000 user records and an exploit kit, which were subsequently leaked on a cybercrime forum by threat actor xorcat. The actor claims Polymarket lacks a bug bounty program and was not notified of the vulnerability prior to disclosure. This incident highlights the security risks in decentralized finance platforms and the importance of responsible disclosure mechanisms.
Entities
Polymarket (product)xorcat (threat_actor)