CVE-2025-64487

Outline is vulnerable to privilege escalation vulnerability in document sharing

Published Feb 11, 2026 CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:getoutline:outline:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Getoutline
Getoutline outline
Vendors & Products Getoutline
Getoutline outline
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Outline is vulnerable to privilege escalation vulnerability in document sharing
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Feb 11, 2026, 8:52 PM
Reserved
Nov 5, 2025, 7:12 PM
Status
Analyzed
Published
Feb 11, 2026, 9:16 PM
Modified
Jun 17, 2026, 9:54 AM