Core Lightning urges node operators to shut down amid critical security issue
AI Market Summary
Core Lightning (CLN) maintainers urged node operators to shut down unless upgraded to an unreleased patched version, citing a critical vulnerability under a two-week embargo. With the patch not yet available, operational risk and potential disruption to Lightning routing and liquidity rise. Coming after several recent Bitcoin infrastructure security alerts, the news elevates perceived ecosystem fragility and may temporarily pressure risk appetite around Bitcoin-related activity.
Impact level
● Medium
Affected assets
BTC/USDT+2.90%
AI Insight · BTC/USDTAI Insight
▼ Bearish
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ChainCatcher reports that Core Lightning (CLN) maintainers have told node operators to take their nodes offline unless they upgrade to a not-yet-released version, citing a critical vulnerability. The alert circulated in Discord and was further amplified by Calle, a developer of the Cashu protocol. CLN said the patched binary has not been released and details of the flaw are under a two-week embargo.
The incident is the fourth security warning tied to Bitcoin infrastructure in the past four weeks. Earlier, a Coldcard firmware vulnerability was linked to the theft of roughly $114 million in BTC, followed by security issues involving Boltz and BTCPay Server.
CLN also said it has received multiple AI-generated CVE reports over the last 10 days and is working urgently to verify and remediate them.
