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CVE-2026-68533 Missing Authorization in Concrete CMS versions below 9.5.3 Conversation File Upload Allows File Import Without the Add Message Attachments Permission

🗓️ 15 Sep 2026 18:27:03Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Concrete CMS below 9.5.3 missing auth in conversation file upload allows unauthorized file import.

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16 Sep 2026 11:31Current
5.7Medium risk
Vulners AI Score5.7
CVSS 42.3
3