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GHSA-4PJ9-G833-QX53 lettre has TLS hostname verification disabled when using Boring TLS backend

🗓️ 28 Jul 2026 14:29:10Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

A lettre bug in boring-tls inverts hostname verification, disabling it and enabling MITM.

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28 Jul 2026 14:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 49.1
EPSS0.00191
2