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CVE-2026-87031 Missing authorization in the REST API user creation endpoint in Concrete CMS 9.2.0 through 9.5.3 allows arbitrary account creation

🗓️ 16 Sep 2026 16:40:04Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

Missing authorization in Concrete CMS 9.2.0-9.5.3 REST API allows arbitrary account creation.

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