Vulnerability Information
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Vulnerability Title
Outline's Information Disclosure in Activity Logs allows User Enumeration of Private Drafts
Vulnerability Description
Outline is a service that allows for collaborative documentation. Prior to 1.5.0, the events.list API endpoint, used for retrieving activity logs, contains a logic flaw in its filtering mechanism. It allows any authenticated user to retrieve activity events associated with documents that have no collection (e.g., Private Drafts, Deleted Documents), regardless of the user's actual permissions on those documents. While the document content is not directly exposed, this vulnerability leaks sensitive metadata (such as Document IDs, user activity timestamps, and in some specific cases like the Document Title of Permanent Delete). Crucially, leaking valid Document IDs of deleted drafts removes the protection of UUID randomness, making High-severity IDOR attacks (such as the one identified in documents.restore) trivially exploitable by lowering the attack complexity. Version 1.5.0 fixes the issue.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Vulnerability Type
信息暴露
Vulnerability Title
Outline 信息泄露漏洞
Vulnerability Description
Outline是Outline开源的一个知识库。 Outline 1.5.0之前版本存在信息泄露漏洞，该漏洞源于事件列表API端点过滤机制存在逻辑缺陷，可能导致任何经过身份验证的用户检索敏感元数据，降低IDOR攻击复杂度。
CVSS Information
N/A
Vulnerability Type
N/A