CVE-2025-64487
High
Description
Outline is a service that allows for collaborative documentation. Prior to 1.1.0, a privilege escalation vulnerability exists in the Outline document management system due to inconsistent authorization checks between user and group membership management endpoints. This vulnerability is fixed in 1.1.0.
SeverityHigh
CVSS7.6
Exploit probability—
ProductOutline
PublishedFeb 11, 2026
First seenFeb 11, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Update
- getoutline outline1.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| getoutline outline | v < 1.1.0 | 1.1.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.