Cosmos EVM Flaw Exploited After Cosmos Labs Knew Every Blockchain Running It Was Vulnerable

A critical balance-handling flaw in the Cosmos EVM module was exploited to drain funds from six blockchains between August 20 and 25, 2026. The vulnerability, initially missed due to a misunderstanding of how the system handled vesting accounts, allowed attackers to steal approximately $5.72 million in assets. Despite…