Unrated severityNVD Advisory· Published Feb 11, 2026· Updated Feb 11, 2026
Outline is vulnerable to privilege escalation vulnerability in document sharing
CVE-2025-64487
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.
Affected products
2- outline/outlinev5Range: <= 1.0.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/outline/outline/releases/tag/v1.1.0mitrex_refsource_MISC
- github.com/outline/outline/security/advisories/GHSA-c8xf-3j86-7686mitrex_refsource_CONFIRM
News mentions
1- How to scan for vulnerabilities with GitHub Security Lab’s open source AI-powered frameworkGitHub Security Lab · Mar 6, 2026