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eclair · ACINQ / Eclair
Patch availableNode operators20 October 2026

ACINQ releases Eclair security patch release; hostile nodes could exploit some of the issues

ACINQ has published an Eclair patch release fixing a set of security issues. According to the vendor itself, some of them could be exploited by hostile nodes; the vulnerabilities were reported through responsible disclosure. Operators of Lightning nodes running Eclair are affected; the release is fully compatible with previous versions, and channels do not need to be closed.

Actions to take

Update Eclair to the version specified in the release now: stop the node, install the new build and restart it. Before installation, verify the release artifacts' signatures and checksums using the project's release key; further information and detailed release notes are at the link in the post.

Incident history

  1. 20 OctACINQ releases Eclair security patch release; hostile nodes could exploit some of the issues
  2. 27 OctACINQ releases Eclair v0.14.6 with security fixes; some issues could be exploited by hostile nodes