CVE-2026-30244
Plane is Vulnerable to Unauthenticated Workspace Member Information Disclosure
Description
## Executive Summary A security vulnerability exists in the Plane project management platform that allows unauthenticated attackers to enumerate workspace members and extract sensitive information including email addresses, user roles, and internal identifiers. The vulnerability stems from Django REST Framework permission classes being incorrectly configured to allow anonymous access to protected endpoints. This vulnerability enables attackers to: - Enumerate all members of any workspace without authentication - Extract user email addresses and personally identifiable information (PII) - Identify administrative accounts for targeted attacks - Map organizational structure and user roles - Conduct reconnaissance for social engineering attacks **Affected Endpoints:** ``` GET /api/public/workspaces/{workspace_slug}/members/ GET /api/public/workspaces/{workspace_slug}/projects/{project_id}/members/ ``` A fix is available at https://github.com/makeplane/plane/releases/tag/v1.2.3.
How to fix CVE-2026-30244
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- —no fix listed
Is CVE-2026-30244 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |