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Open WebUI has an IDOR vulnerability in the update_message_by_id API endpoint

🗓️ 14 May 2026 20:25:40Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 57 Views

Open WebUI IDOR in update_message_by_id lets any group or direct member edit others' messages.

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15 May 2026 23:54Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.14.3
EPSS0.00204
SSVC
57