CVE-2026-102981

The open-source project management tool Plane is vulnerable to an unauthenticated workspace invitation token leakage in versions prior to 1.4.0 . The issue exists in the WorkspaceJoinEndpoint , where the WorkSpaceMemberInviteSerializer exposes the secret invitation token directly and via the get_...

CVE-2026-102981 Plane: Unauthenticated Workspace Invitation Token Leakage

Plane is an open-source project management tool. Prior to 1.4.0, self-hosted Plane deployments allow unauthenticated GET requests to api/workspaces/slug/invitations/pk/join/ through WorkspaceJoinEndpoint, whose WorkSpaceMemberInviteSerializer exposes the secret invitation token directly and throu...