Harmony Release Incident Update: Team Has Fixed Vulnerability and Is Proceeding with Rollback Plan

Harmony released an incident update stating that on August 12, 2026, Beijing time, an unauthorized issuance event of the native token ONE occurred on the Harmony mainnet. Officials confirmed that the initial abnormal issuance volume was 4 billion ONE, completed through two empty block entries; additionally, on-chain reconstruction results show that the total forged cross-shard issuance volume could reach 3.0100001 trillion ONE, involving 6 forged cross-shard transactions and 4 attacker wallets, and the team is still further verifying the two sets of data.