Security
Electrum Bitcoin Wallet Users Told to Update After Fee Bump Theft
CoinCentral·October 25, 2026·1 min read
Electrum disclosed a high-risk flaw that let malicious servers redirect Bitcoin payments during fee bumps via Replace-by-Fee. Attackers used addresses with matching last four characters, and one user lost funds. Version 4.8.3 fixes the issue; users should update from electrum.org immediately.
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