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CVE-2026-67204 BookStack < 26.05.4 Broken Access Control via Image Gallery API

🗓️ 24 Aug 2026 15:33:13Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Broken access control in BookStack < 26.05.4 allows avatar manipulation via Image Gallery API.

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30 Aug 2026 11:45Current
5.6Medium risk
Vulners AI Score5.6
CVSS 45.3
4