CVE-2020-26896 describes a critical vulnerability in LND (Lightning Network Daemon) versions prior to 0.11.0-beta, where the software failed to properly verify HTLC settlement before releasing preimages, leading to a hash-and-amount collision risk. This flaw, rated 8.2 HIGH (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N), allowed a malicious actor to intercept and steal funds from a victim node, also compromising receiver privacy. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability garnered significant community attention and media coverage, indicating its perceived severity.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.11.0CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:*:*:*:*:*:*:*:* | ||
0.11.0CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.11.0:-:*:*:*:*:*:* | ||
0.11.0CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.11.0:beta_rc1:*:*:*:*:*:* | ||
0.11.0CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.11.0:beta_rc2:*:*:*:*:*:* | ||
0.11.0CPE matchmatch criteria | cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.11.0:beta_rc3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.