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GO-2026-5026 Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

🗓️ 22 May 2026 02:46:43Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Go idna library fails to reject punycode that decodes to ASCII, enabling privilege escalation.

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17 Jun 2026 10:29Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.6
EPSS0.00359
SSVC
4