Polkadot lost $1.38 million after hacker exploited security flaw fixed four months earlier

CryptoSlate · Wed, 04 Nov 2026 14:50:52 GMT

Hype 20/100 · Market impact 60/100 · Breaking 56/100

An attacker resumed on October 26 using its own relayer before an XCM fix, and a later upgrade corrected supply without changing balances.