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PYSEC-2026-2696 Open WebUI: Redis Cache Keys tool_servers and terminal_servers Missing Instance Prefix Enable Cross-Instance Cache Poisoning

🗓️ 13 Jul 2026 15:15:41Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Redis Cache Keys tool_servers and terminal_servers Missing Instance Prefix Enable Cross-Instance Cache Poisoning Affected Component Tool server and terminal server Redis cache: backend/open_webui/utils/tools.py (line 841, tool_servers SET) backend...

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13 Jul 2026 16:31Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.7
EPSS0.00305
3