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GHSA-78CV-MQJ4-43F7 Tornado has incomplete validation of cookie attributes

🗓️ 11 Mar 2026 22:17:00Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Tornado versions before 6.5.5 fail to fully validate cookie domain, path, and samesite, enabling semicolon injection.

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13 Jul 2026 07:26Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.4
EPSS0.00237
4