PANews, August 30: Cosmos Labs has released an analysis report on the security incident involving the EVM module. Between August 20 and August 25, attackers exploited a vulnerability in Cosmos EVM to steal funds from multiple Cosmos chains. After MANTRA was the first to notify, the Cosmos security team coordinated with approximately 40 chains to assess risks and implement mitigation measures. Six networks were compromised, with around $2.87 million in assets bridged and sold on DEXs; an additional $2.85 million in assets were sold on CEXs, and the attacker’s CEX accounts have been frozen and are pending investigation. Thirteen other networks with potential risks were promptly patched, halted, or otherwise secured, preventing further losses. The vulnerability was first reported via the bug bounty program on April 25.
Cosmos Labs Reports EVM Module Security Incident, 6 Chains Attacked with $5.72M Loss
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Summary
On August 30, 2026, Cosmos Labs disclosed a security incident involving its EVM module, revealing that six chains were compromised between August 20 and 25, resulting in $5.72 million in losses. MANTRA was the first to raise the alarm, prompting the security team to collaborate with 40 chains to assess and respond. Of the stolen funds, $2.87 million was liquidated via DEXs and $2.85 million via CEXs; the attackers’ CEX accounts have been frozen. Thirteen other chains implemented patches in time. The vulnerability was reported in April through the bug bounty program. Traders are advised to closely monitor altcoins amid increased volatility in the Fear & Greed Index.
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