Critical-risk tools in Open WebUI MCP Server
17 of the 82 tools in Open WebUI MCP Server are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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delete_all_chatsDestructiveDelete all your chats. WARNING: Cannot be undone!
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delete_all_filesDestructiveDelete all files. ADMIN ONLY. WARNING: Cannot be undone!
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delete_all_memoriesDestructiveDelete all your memories. WARNING: Cannot be undone!
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delete_channelDestructiveDelete a channel and all its messages.
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delete_channel_messageDestructiveDelete a message from a channel.
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delete_chatDestructiveDelete a chat.
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delete_fileDestructiveDelete a file.
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delete_folderDestructiveDelete a folder.
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delete_functionDestructiveDelete a function.
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delete_groupDestructiveDelete a group. ADMIN ONLY. Removes all users from the group.
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delete_knowledge_baseDestructiveDelete a knowledge base and all its files. WARNING: Cannot be undone!
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delete_memoryDestructiveDelete a specific memory.
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delete_modelDestructiveDelete a custom model. ADMIN ONLY.
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delete_noteDestructiveDelete a note.
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delete_promptDestructiveDelete a prompt template.
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delete_toolDestructiveDelete a tool.
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delete_userDestructiveDelete a user. ADMIN ONLY. WARNING: Cannot be undone!
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.