Likely 0-day
Outline (getoutline.com / github.com/outline/outline) is a popular open-source team knowledge base / wiki, often self-hosted as a Notion alternative. Exposed self-hosted instances may reveal team documents and provide a path to login enumeration if SSO is misconfigured.
id: outline-panel
info:
name: Outline Panel - Detect
author: ChrisJr404
severity: info
desc
...