CVE-2026-86867

Cinnamon's Kotaemon all versions up to and including v0.12.0 multi-user chat interface contains multiple vulnerabilities due to incorrect authorization and improper access controls. There are four handler methods in libs/ktem/ktem/pages/chat/control.py that load a Conversation record by its ID...

CVE-2026-86867 Cinnamon's kotaemon contains improper authorization checks in multi‑user chat handlers

Cinnamon's Kotaemon all versions up to and including v0.12.0 multi-user chat interface contains multiple vulnerabilities due to incorrect authorization and improper access controls. There are four handler methods in libs/ktem/ktem/pages/chat/control.py that load a Conversation record by its ID...