Medium severity5.3NVD Advisory· Published Oct 21, 2020· Updated Jun 17, 2026
CVE-2020-26895
CVE-2020-26895
Description
Prior to 0.10.0-beta, LND (Lightning Network Daemon) would have accepted a counterparty high-S signature and broadcast tx-relay invalid local commitment/HTLC transactions. This can be exploited by any peer with an open channel regardless of the victim situation (e.g., routing node, payment-receiver, or payment-sender). The impact is a loss of funds in certain situations.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- LND (Lightning Network Daemon)/LND (Lightning Network Daemon)description
- Range: <0.10.0-beta
Patches
Vulnerability mechanics
References
3- gist.github.com/ariard/fb432a9d2cd3ba24fdc18ccc8c5c6eb4nvdThird Party Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002856.htmlnvdMailing ListThird Party Advisory
- lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002858.htmlnvdMailing ListThird Party Advisory
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