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Open WebUI has an IDOR vulnerability in the pin_channel_message API endpoint

🗓️ 14 May 2026 20:25:58Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Open WebUI pin channel message endpoint allows read users to pin messages due to incomplete access checks.

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15 May 2026 23:54Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00036
SSVC
6