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

Quick assessment

Affected
outline outline
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Outline是Outline开源的一个知识库。 Outline 1.1.0之前版本存在授权问题漏洞，该漏洞源于WebSocket身份验证机制存在缺陷，可能导致被暂停用户维持或建立实时WebSocket连接并继续接收敏感操作更新。

AI Predicted 5.3 Difficulty: Easy EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2025-68663

Vulnerability Information
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Vulnerability Title
Outline has a suspended user authentication bypass via WebSocket connections
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Outline 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Outline是Outline开源的一个知识库。 Outline 1.1.0之前版本存在授权问题漏洞，该漏洞源于WebSocket身份验证机制存在缺陷，可能导致被暂停用户维持或建立实时WebSocket连接并继续接收敏感操作更新。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
outline outline < 1.1.0 -

II. Public POCs for CVE-2025-68663

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III. Intelligence Information for CVE-2025-68663

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Vendor Advisories for CVE-2025-68663 (1)

Same Patch Batch · outline · 2026-02-11 · 3 CVEs total

CVE-2025-64487 7.6 HIGH Outline is vulnerable to privilege escalation vulnerability in document sharing
CVE-2026-25062 5.5 MEDIUM Outline Affected an Arbitrary File Read via Path Traversal in JSON Import

IV. Related Vulnerabilities

Same product: outline
Same vendor: outline
Same weakness: CWE-287

V. Comments for CVE-2025-68663

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