CVE-2025-64487 HIGH

CVE-2025-64487: Outline is vulnerable to privilege escalation vulnerability in document sharing

Vendor Outline
Product outline
Weakness CWE-269
Published February 11, 2026
Last update February 11, 2026
View on NVD All CVEs

CVSS base score

7.6/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 11, 2026 Record updated