Lightning Labs Chief Technology Officer Olaoluwa Osuntokun said users of lnd, btcd, tapd and litd should update their binaries or rebuild with Go 1.27.3 because of CVE-2026-111943. In a post on X, Osuntokun said the issue is tied to a compromised certificate authority and could affect the security of the related software. The warning covers several Bitcoin and Lightning ecosystem node tools maintained or used alongside Lightning Labs software. No other mitigation details were provided in the source beyond updating binaries or rebuilding with the specified Go version. The notice was issued publicly through Osuntokun’s social media account.
Lightning Labs Chief Technology Officer Olaoluwa Osuntokun said in a post on X that all users of lnd, btcd, tapd and litd should update their binaries or rebuild with Go 1.27.3 because of CVE-2026-111943.
Osuntokun said the CVE-2026-111943 issue involves a compromised certificate authority and could affect the security of the related software.
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