Cysic cross-chain bridge exploit (2026-10-17): recipient of the unauthorized 10M CYS mint on BNB Smart Chain
- Scam type: Hack
- Chain: EVM (Ethereum, BNB Chain, Base and other EVM chains)
- Project or site name: Cysic
- Incident date: 2026-10-17
- Reported: 2026-10-18
- Last updated: 2026-10-18
Cysic's cross-chain bridge was exploited on 2026-10-17 when an attacker submitted a fraudulent mint message and minted 10,000,000 CYS on BNB Smart Chain. This report lists the address that received the unauthorized mint. Source: Cysic Foundation incident report on X, "Cysic Incident Report", 2026-10-18 10:10 UTC (https://x.com/cysic_fdn/status/2111761749116637687). What happened: Cysic says its preliminary findings show the attacker gained unauthorized access to a database used by services supporting the bridge and exploited a flaw in the processing logic to submit a fraudulent mint message.…