CVE-2025-68663 MEDIUM

CVE-2025-68663: Outline has a suspended user authentication bypass via WebSocket connections

Vendor Outline
Product outline
Weakness CWE-287 · Improper authentication
Published February 11, 2026
Last update February 12, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Outline is a service that allows for collaborative documentation. Prior to 1.1.0, a vulnerability was found in Outline's WebSocket authentication mechanism that allows suspended users to maintain or establish real-time WebSocket connections and continue receiving sensitive operational updates after their account has been suspended. This vulnerability is fixed in 1.1.0.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 12, 2026 Record updated