Security
bitcoinjs-lib Maintainers Disclose Two High-Severity Bitcoin (BTC) Fee Vulnerabilities
COINOTAG·October 28, 2026·1 min read
Two high-severity bitcoinjs-lib vulnerabilities can display PSBT fees far below the real cost. Fixes shipped in versions 5.2.2, 6.1.9 and 7.0.4. Users should update to avoid incorrect fee displays. The flaws affect Bitcoin (BTC) transaction handling. Developers urge immediate upgrades to prevent potential financial losses.
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