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wire 2026-05-14
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Open WebUI patches folder_id authorization and tool_servers bypass

By RepoJournal · Filed · About Open WebUI

Two security fixes close validation gaps on chat creation and tool server enforcement in Open WebUI.

Open WebUI shipped two security fixes from contributor Classic298 [1] [2]. POST /api/v1/chats/new and POST /api/v1/chats/{id}/folder now validate folder_id against ownership, existence, and UUID format. Previously, a caller-supplied folder_id was persisted verbatim, allowing chat rows to reference another user's folder or a non-existent UUID. No cross-user read path exposed these rows, limiting immediate exploitation, but the data integrity risk is closed.

Separately, the features.direct_tool_servers permission is now enforced on the inference path (/api/chat/completions). The fix ensures the per-user flag, previously stripped only from stored settings in routers/users.py, also applies when tool_servers come straight from the request body into metadata.

Three translation updates landed for Swedish (sv-SE), German (de-DE), and Spanish (es-ES), bringing new UI strings into sync with v0.9.5.

Quick answers

What shipped in Open WebUI on May 14, 2026?
Two security fixes close validation gaps on chat creation and tool server enforcement in Open WebUI. In total, 55 commits and 7 pull requests landed.
Who contributed to Open WebUI on May 14, 2026?
4 developers shipped this update, including Classic298, yeager, PythonToGo, and rgaricano.
What were the notable Open WebUI updates?
fix: validate folder_id ownership on chat create + folder-update endpoints (#24588), fix: enforce features.direct_tool_servers on chat-completion tool_servers (#24693), and i18n: Update Swedish (sv-SE) translation.