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Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts

🗓️ 14 May 2026 20:28:46Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

LDAP and OAuth suffer a time-of-check-time-of-use race that can grant admin on first signup, risking multiple admin accounts.

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15 May 2026 23:55Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.1
EPSS0.00115
SSVC
4