6 matches found
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...
CVE-2026-59714
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 before 0.10.0, any authenticated user can overwrite the content of a message in a channel they do not belong to including private and DM channels by sending a chat completion request with a...
CVE-2026-59714
Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.5 before 0.10.0, any authenticated user can overwrite the content of a message in a channel they do not belong to including private and DM channels by sending a chat completion request with a...
GHSA-X2FF-V5V8-M75M Open WebUI: Cross-channel message overwrite via chat completion API (single-model and multimodel message_ids)
Summary Any authenticated user can overwrite the content of a message in a channel they do not belong to including private and DM channels by sending a chat completion request with a channel:-prefixed chatid and a target messageid. The channel: path routes pipeline output through...
