Ribassista
Cosmos Labs reports $5.7 million loss from EVM module exploit across six chains.
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Between August 20 and 25, 2026, attackers exploited a critical vulnerability in the Cosmos EVM module, draining approximately $5.7 million from six blockchain networks. The flaw, identified as an integer underflow, allowed attackers to inflate token balances and siphon funds from burn addresses and multisignature wallets. Despite being reported in April, the vulnerability was not publicly patched until August 19, leading to significant losses.
Punti chiave
- Cosmos Labs disclosed a $5.7 million loss due to an EVM module exploit affecting six chains.
- The vulnerability, reported in April, was not publicly patched until August 19, allowing attackers to exploit it between August 20 and 25.
- The flaw was an integer underflow in the Cosmos EVM module, enabling attackers to inflate token balances and steal funds.
- The stolen funds were exchanged for about $2.87 million on decentralized exchanges and $2.85 million on centralized exchanges; the attackers' centralized exchange accounts have been frozen pending investigation.
Fonti
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