CVE-2025-69284 – In plane.io, a Guest User to a Workspace can still be able to see list of members

CVE ID : CVE-2025-69284

Published : Jan. 2, 2026, 3:42 p.m. | 43 minutes ago

Description : Plane is an an open-source project management tool. In plane.io, a guest user doesn’t have a permission to access https[:]//app[.]plane[.]so/[:]slug/settings. Prior to Plane version 1.2.0, a problem occurs when the `/api/workspaces/:slug/members/` is accessible by guest and able to list of users on a specific workspace that they joined. Since the `display_name` in the response is actually the handler of the email, a malicious guest can still identify admin users’ email addresses. Version 1.2.0 fixes this issue.

Severity: 0.0 | NA

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