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CVE-2026-63374 AnyIO: TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing

🗓️ 22 Sep 2026 15:23:14Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 28 Views

AnyIO prior to 4.14.2 IDNA 2003 encoding in TLSStream enables certificate spoofing.

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29 Sep 2026 03:31Current
5.8Medium risk
Vulners AI Score5.8
CVSS 49.3
28