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Vulnerability record · CVE-2025-68663 · published 11 February 2026

CVE-2025-68663: Getoutline outline improper authentication vulnerability

Getoutline · Outline

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.

6.9 CVSS 4.0 Medium EPSS 0.25% · top 85.7% CWE-287 · Improper authentication
6.9CVSS 4.0 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/outline/outline/releases/tag/v1.1.0 Release Notes
https://github.com/outline/outline/security/advisories/GHSA-mx2c-3g2x-5m9m Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2026-33640Getoutline outline improper restriction of authentication attempts vulnerabilityOutline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users not associated with an Identit…EPSS 0.55%8.8CVE-2026-24901Getoutline outline insecure direct object reference vulnerabilityOutline is a service that allows for collaborative documentation. Prior to 1.4.0, an Insecure Direct Object Reference (IDOR) vulnerability in the doc…EPSS 0.31%8.8CVE-2024-37829Getoutline outline vulnerabilityAn issue in Outline <= v0.76.1 allows attackers to execute a session hijacking attack via user interaction with a crafted magic sign-in link.EPSS 0.74%8.5CVE-2023-54331Getoutline outline unquoted search path vulnerabilityOutline 1.6.0 contains an unquoted service path vulnerability that allows local attackers to potentially execute arbitrary code with elevated system …EPSS 0.22%7.7CVE-2026-41649Getoutline outline insecure direct object reference vulnerabilityOutline is a service that allows for collaborative documentation. The `shares.create` API endpoint starting in version 0.86.0 and prior to version 1.…EPSS 0.42%7.6CVE-2025-64487Getoutline outline improper privilege management vulnerabilityOutline is a service that allows for collaborative documentation. Prior to 1.1.0, a privilege escalation vulnerability exists in the Outline document…EPSS 0.20%6.8CVE-2025-58351Getoutline outline cross-site scripting vulnerabilityOutline is a service that allows for collaborative documentation. In versions 0.72.0 through 0.83.0, Outline introduced a feature which facilitates l…EPSS 0.39%6.5CVE-2026-44695Getoutline outline cross-site request forgery vulnerabilityOutline is a service that allows for collaborative documentation. Prior to 1.7.1, the Slack integration callback for GET /auth/slack.post accepts an …EPSS 0.15%

Source: NIST National Vulnerability Database (record CVE-2025-68663), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.