CVE-2026-88001

Open WebUI versions 0.9.5 through 0.11.1 contained a server-side request forgery (SSRF) weakness in its web-fetch functionality. When AIOHTTP_CLIENT_ALLOW_REDIRECTS was enabled, HTTP redirect destinations were not revalidated against WEB_FETCH_FILTER_LIST or private-address controls. An authentic...

CVE-2026-87994

Open WebUI versions 0.9.5 through 0.11.1 are affected by an authorization flaw in the channel branch of chat_completion in backend/open_webui/main.py. The endpoint verified channel write access and membership for a supplied message_id but failed to confirm that the calling user was the original a...