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Cosmos Labs under fire over disclosure of bug affecting four blockchains

Developers who quietly patched a bug in a widely-used Cosmos EVM module are facing criticism for not informing downstream networks in time.

DeFi platform Summer Finance loses $6M in vault exploit

Losses totalling $8M kick off the week’s DeFi security news, while a bug on Aptos put “most assets across all chains” at risk.

Litecoin developers released software patches for the double-spending bug of March-April 2026, but most non-mining nodes have ignored it.

Coinbase seemingly doxxed the physical address of a BTC-backed mortgage customer during a high-profile product launch.

A pseudonymous security researcher has accused blockchain firm Injective of lowballing a bounty on a bug which put $500M at risk.