ChainCatcher report: Core Lightning maintainers have notified node operators to shut down their nodes unless they upgrade to an unreleased version. The warning was disseminated via Discord and amplified by Calle, a developer of the Cashu protocol, who cited a critical vulnerability. The patched binary has not yet been released, and details of the vulnerability are under a two-week embargo. This marks the fourth security alert for Bitcoin infrastructure within four weeks. Previously, a Coldcard firmware vulnerability led to the theft of approximately $114 million in BTC, followed by issues with Boltz and BTCPay Server. The CLN team reports receiving multiple AI-generated CVE reports over the past 10 days and is urgently verifying and addressing them.
Core Lightning Warns Node Operators to Go Offline Amid Security Vulnerability
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Summary
Core Lightning has issued a vulnerability alert urging node operators to shut down until an unreleased fix is applied. The warning, shared via Discord and supported by Cashu developer Calle, highlights a critical security breach risk. No patch is currently available as the team is undergoing a two-week disclosure process. This marks the fourth Bitcoin infrastructure alert in four weeks, following a Coldcard vulnerability that resulted in an $114 million BTC theft, as well as issues with Boltz and BTCPay Server. The CLN team stated it has received multiple AI-generated CVE reports over the past 10 days and is currently validating them.
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