Bitcoin
Electrum 4.8.3 Patches Bitcoin (BTC) Wallet Flaw That Let Malicious Servers Swap Transactions
COINOTAG·October 25, 2026·1 min read
Electrum 4.8.3, released Saturday, patches a critical flaw that allowed malicious wallet servers to swap Bitcoin transactions and steal funds during fee bumps. The vulnerability could have compromised user funds, and the update is essential for all Electrum users to protect their BTC holdings.
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