CVE-2025-68663

Outline has a suspended user authentication bypass via WebSocket connections

MEDIUM
5.3
CVSS Score
Published: February 11, 2026 at 08:29 PM UTC
Updated: June 17, 2026 at 09:59 AM UTC
2 products affected across 2 vendorsOutlineOutline

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.1.0
Affected range stops below 1.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/outline/outline/security/advisories/GHSA-mx2c-3g2x-5m9m
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/outline/outline/releases/tag/v1.1.0

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-287

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