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PYSEC-2026-1278 copyparty renders unsanitized filenames as HTML when user uploads empty files

🗓️ 07 Jul 2026 14:34:50Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

A cross site scripting vulnerability in copyparty executes script during drag drop of an empty, maliciously named file.

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07 Jul 2026 17:47Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.13.6
EPSS0.00426
3