CVE-2025-68663CWE-287

Outline has a suspended user authentication bypass via WebSocket connections

Medium · published February 11, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
18.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00276 · 18.9th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-02-11T20:29Z
EPSS history
Timeline
  • 11 FEB 20:29Z
    Outline has a suspended user authentication bypass via WebSocket connections
    cvelistv5