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CVE-2026-50149 Contour has Improper JWT Verification for Non-SNI Requests on Virtual Hosts with Fallback Certificate Enabled

🗓️ 19 Aug 2026 14:16:21Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Contour 1.23.0-1.33.4 bypasses JWT verification for non-SNI requests when fallback certificate enabled.

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21 Aug 2026 03:46Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.16.5
4