CVE-2026-104964 Plane: Cross-Workspace Project Modification via Unscoped Project Lookup

Plane is an open-source project management tool. Prior to 1.4.0, Plane's project update endpoint authorizes the caller against the workspace slug in the request URL but loads the target project globally by UUID without binding it to that workspace. An administrator of one workspace can modify a...

CVE-2026-104963 Plane: Workspace cycle and module endpoints missing project-membership filter expose private project metadata to any workspace member

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/workspaces/slug/cycles/ through WorkspaceCyclesEndpoint and GET /api/workspaces/slug/modules/ through WorkspaceModulesEndpoint return records from every project in a workspace without checking whether the requester belongs ...

CVE-2026-104963

The project management tool Plane contains an authorization flaw in versions prior to 1.4.0 . Specifically, the WorkspaceCyclesEndpoint and WorkspaceModulesEndpoint fail to verify if a requester belongs to a specific project before returning data. This allows any authenticated workspace member, s...

CVE-2026-104963 Plane: Workspace cycle and module endpoints missing project-membership filter expose private project metadata to any workspace member

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/workspaces/slug/cycles/ through WorkspaceCyclesEndpoint and GET /api/workspaces/slug/modules/ through WorkspaceModulesEndpoint return records from every project in a workspace without checking whether the requester belongs ...

CVE-2026-104963 Plane: Workspace cycle and module endpoints missing project-membership filter expose private project metadata to any workspace member

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/workspaces/slug/cycles/ through WorkspaceCyclesEndpoint and GET /api/workspaces/slug/modules/ through WorkspaceModulesEndpoint return records from every project in a workspace without checking whether the requester belongs ...

EUVD-2026-92484

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/workspaces/slug/cycles/ through WorkspaceCyclesEndpoint and GET /api/workspaces/slug/modules/ through WorkspaceModulesEndpoint return records from every project in a workspace without checking whether the requester belongs ...

CVE-2026-104962

The project management tool Plane is vulnerable to an Insecure Direct Object Reference (IDOR) in the ProjectMemberListCreateAPIEndpoint (specifically the GET /api/v1/workspaces/{slug}/projects/{project_id}/members/ endpoint) prior to version 1.4.0 . The root cause is that the ProjectMemberPermiss...

CVE-2026-104962 Plane: Cross-project member roster IDOR in ProjectMemberListCreateAPIEndpoint (missing project scope on reads)

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/v1/workspaces/slug/projects/projectid/members/ returns the complete project-member roster, including each member's email address, first and last name, display name, avatar, and role. ProjectMemberPermission gates the...

CVE-2026-104962 Plane: Cross-project member roster IDOR in ProjectMemberListCreateAPIEndpoint (missing project scope on reads)

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/v1/workspaces/slug/projects/projectid/members/ returns the complete project-member roster, including each member's email address, first and last name, display name, avatar, and role. ProjectMemberPermission gates the...

CVE-2026-104962 Plane: Cross-project member roster IDOR in ProjectMemberListCreateAPIEndpoint (missing project scope on reads)

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/v1/workspaces/slug/projects/projectid/members/ returns the complete project-member roster, including each member's email address, first and last name, display name, avatar, and role. ProjectMemberPermission gates the...

EUVD-2026-92483

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/v1/workspaces/slug/projects/projectid/members/ returns the complete project-member roster, including each member's email address, first and last name, display name, avatar, and role. ProjectMemberPermission gates the...

CVE-2026-104961 Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner access

Plane is an open-source project management tool. Prior to 1.4.0, WorkspaceOwnerPermission does not require isactive=True when checking whether a user is a workspace owner. A deactivated user can therefore remain authorized as the workspace owner and retain owner-level access. This issue is fixed ...

EUVD-2026-92482

Plane is an open-source project management tool. Prior to 1.4.0, WorkspaceOwnerPermission does not require isactive=True when checking whether a user is a workspace owner. A deactivated user can therefore remain authorized as the workspace owner and retain owner-level access. This issue is fixed ...

CVE-2026-104961

The open-source project management tool Plane is vulnerable to an incorrect authorization issue (CWE-863) prior to version 1.4.0 . The WorkspaceOwnerPermission check fails to verify if a user's is_active status is set to True. Consequently, a deactivated user can retain owner-level access to a wo...

CVE-2026-104961 Plane: WorkspaceOwnerPermission missing is_active check allows deactivated users to retain owner access

Plane is an open-source project management tool. Prior to 1.4.0, WorkspaceOwnerPermission does not require isactive=True when checking whether a user is a workspace owner. A deactivated user can therefore remain authorized as the workspace owner and retain owner-level access. This issue is fixed ...

CVE-2026-104960 Plane: Authorization bypass in workspace-scoped asset download endpoint exposes secret project file assets to non-project workspace users

Plane is an open-source project management tool. Prior to 1.4.0, Plane exposes the workspace-scoped GET /api/assets/v2/workspaces/workspaceslug/download/assetid/ endpoint for project-bound FileAsset objects without enforcing access to the asset's owning project. An authenticated user who belongs ...

CVE-2026-104960 Plane: Authorization bypass in workspace-scoped asset download endpoint exposes secret project file assets to non-project workspace users

Plane is an open-source project management tool. Prior to 1.4.0, Plane exposes the workspace-scoped GET /api/assets/v2/workspaces/workspaceslug/download/assetid/ endpoint for project-bound FileAsset objects without enforcing access to the asset's owning project. An authenticated user who belongs ...

CVE-2026-104960 Plane: Authorization bypass in workspace-scoped asset download endpoint exposes secret project file assets to non-project workspace users

Plane is an open-source project management tool. Prior to 1.4.0, Plane exposes the workspace-scoped GET /api/assets/v2/workspaces/workspaceslug/download/assetid/ endpoint for project-bound FileAsset objects without enforcing access to the asset's owning project. An authenticated user who belongs ...

EUVD-2026-92481

Plane is an open-source project management tool. Prior to 1.4.0, Plane exposes the workspace-scoped GET /api/assets/v2/workspaces/workspaceslug/download/assetid/ endpoint for project-bound FileAsset objects without enforcing access to the asset's owning project. An authenticated user who belongs ...

CVE-2026-104960

The project management tool Plane contains an authorization bypass in the workspace-scoped GET /api/assets/v2/workspaces/{workspace_slug}/download/{asset_id}/ endpoint. Prior to version 1.4.0 , the application fails to enforce project-level access controls for project-bound FileAsset objects. Con...