# Core Lightning Ships v26.06.9 Security Release While Attackers Target Unpatched Nodes

The release withholds tests for its security fixes to give operators time to upgrade, and it repairs a regression in the previous version that throttled traffic on busy nodes.

- Published: 2026-10-09T05:49:33.680Z
- Canonical: https://polylog.news/crypto/2026-10-09/core-lightning-ships-v26-06-9-security-release-while-attacke
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/core-lightning-patches-critical-security-flaws-and-a-bitcoin-payment-bug/), [GitHub (ElementsProject/lightning)](https://github.com/ElementsProject/lightning/releases/tag/v26.06.9), [TokenPost](https://www.tokenpost.com/news/technology/28737), [Cointelegraph](https://cointelegraph.com/news/core-lightning-urges-upgrade-amid-reports-attackers-targeting-unpatched-nodes), [Bitcoin Magazine](https://bitcoinmagazine.com/news/whitebit-integrates-lightning-network), [Bitcoin Magazine](https://bitcoinmagazine.com/news/ai-coding-agents-drive-bitcoin-integration)

Core Lightning, one of the main Lightning Network implementations for Bitcoin, released version 26.06.9 on October 7. It is the third security-driven release in about a month. The release fixes several vulnerabilities and repairs a regressi…

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