BTCPay Server urges users to upgrade to version 2.4.2 after actively exploited security flaw

AI Market Summary
BTCPay Server disclosed a critical vulnerability that is reportedly being actively exploited, forcing merchants and operators to urgently patch (v2.4.2) or take payment infrastructure offline. The risk of unauthorized access and potential fund loss can disrupt Bitcoin payment flows and raise operational risk premia. The news follows sizable confirmed losses tied to a separate Coldcard issue, reinforcing security concerns across Bitcoin self-custody and transaction infrastructure.
Impact level
● Medium
Affected assets
BTC/USDT-1.17%
AI Insight · BTC/USDTAI Insight
▼ Bearish
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BTCPay Server has warned that attackers are actively exploiting a critical vulnerability that could put users’ bitcoin at risk, urging an immediate upgrade to version 2.4.2 or a temporary shutdown. The flaw was disclosed last Friday. Separately, a Coldcard hardware wallet vulnerability has led to at least $116 million in confirmed losses, with Galaxy Research estimating potential losses could reach about $130 million.