CVE-2021-41593: Lightning Network Daemon Project Lightning Network Daemon

High severity, CVSS 8.6. EPSS: 1.9% chance of exploitation in the next 30 days.

Lightning Labs lnd before 0.13.3-beta allows loss of funds because of dust HTLC exposure.

Affected products

• Lightning Network Daemon Project Lightning Network Daemon: before 0.11.0 (fixed in 0.11.0); version 0.11.0 only; version 0.11.1 only; version 0.12.0 only; version 0.12.1 only; version 0.13.0 only; …

Published 2021-10-04. Last modified 2026-06-17.