CVE-2026-104968 Plane: Cross-workspace member enumeration via /api/workspaces/{slug}/entity-search/

Plane is an open-source project management tool. Prior to 1.4.0, GET /api/workspaces/slug/entity-search/?querytype=usermention returns workspace-member display names, UUIDs, and avatar URLs to any authenticated user who knows the workspace slug, even when the caller is not a workspace member. The...

CVE-2026-104967 Plane: Cross-workspace association destruction and issue mutation/read via unscoped queries in BulkDeleteIssuesEndpoint and SubIssuesEndpoint

Plane is an open-source project management tool. Prior to 1.4.0, BulkDeleteIssuesEndpoint and SubIssuesEndpoint in apps/api/plane/app/views/issue/ accept body- or URL-supplied issue IDs and operate on them without checking that the IDs belong to the caller's workspace and project. The permission...

EUVD-2026-92489

Plane is an open-source project management tool. Prior to 1.4.0, BulkDeleteIssuesEndpoint and SubIssuesEndpoint in apps/api/plane/app/views/issue/ accept body- or URL-supplied issue IDs and operate on them without checking that the IDs belong to the caller's workspace and project. The permission...

CVE-2026-104967 Plane: Cross-workspace association destruction and issue mutation/read via unscoped queries in BulkDeleteIssuesEndpoint and SubIssuesEndpoint

Plane is an open-source project management tool. Prior to 1.4.0, BulkDeleteIssuesEndpoint and SubIssuesEndpoint in apps/api/plane/app/views/issue/ accept body- or URL-supplied issue IDs and operate on them without checking that the IDs belong to the caller's workspace and project. The permission...

CVE-2026-104967 Plane: Cross-workspace association destruction and issue mutation/read via unscoped queries in BulkDeleteIssuesEndpoint and SubIssuesEndpoint

Plane is an open-source project management tool. Prior to 1.4.0, BulkDeleteIssuesEndpoint and SubIssuesEndpoint in apps/api/plane/app/views/issue/ accept body- or URL-supplied issue IDs and operate on them without checking that the IDs belong to the caller's workspace and project. The permission...

CVE-2026-104967

The open-source project management tool Plane (prior to version 1.4.0 ) is vulnerable to cross-workspace data manipulation via the BulkDeleteIssuesEndpoint and SubIssuesEndpoint in apps/api/plane/app/views/issue/. The root cause is an authorization bypass (CWE-639) where the application fails to ...

CVE-2026-104966 Plane: Cross-Workspace IDOR in Estimate and Comment Endpoints Allows Read, Modify, and Inject Across Workspaces

Plane is an open-source project management tool. Prior to 1.4.0, two endpoint families fail to verify that nested resource identifiers belong to the workspace and project named in the URL. An authenticated user can read or modify estimates from another workspace through PATCH...

EUVD-2026-92488

Plane is an open-source project management tool. Prior to 1.4.0, two endpoint families fail to verify that nested resource identifiers belong to the workspace and project named in the URL. An authenticated user can read or modify estimates from another workspace through PATCH...

CVE-2026-104966 Plane: Cross-Workspace IDOR in Estimate and Comment Endpoints Allows Read, Modify, and Inject Across Workspaces

Plane is an open-source project management tool. Prior to 1.4.0, two endpoint families fail to verify that nested resource identifiers belong to the workspace and project named in the URL. An authenticated user can read or modify estimates from another workspace through PATCH...

CVE-2026-104966

The project management tool Plane contains a Cross-Workspace IDOR vulnerability in versions prior to 1.4.0 . The issue stems from a failure to verify that nested resource identifiers belong to the workspace and project specified in the URL. Specifically, the ProjectEntityPermission check confirms...

EUVD-2026-92487

Plane is an open-source project management tool. Prior to 1.4.0, the issue-relation endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can create relations linking their own issues to issues in any other workspace ...

CVE-2026-104965 Plane: Cross-Tenant Issue Relation Creation via IDOR

Plane is an open-source project management tool. Prior to 1.4.0, the issue-relation endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can create relations linking their own issues to issues in any other workspace ...

CVE-2026-104965 Plane: Cross-Tenant Issue Relation Creation via IDOR

Plane is an open-source project management tool. Prior to 1.4.0, the issue-relation endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can create relations linking their own issues to issues in any other workspace ...

CVE-2026-104965 Plane: Cross-Tenant Issue Relation Creation via IDOR

Plane is an open-source project management tool. Prior to 1.4.0, the issue-relation endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can create relations linking their own issues to issues in any other workspace ...

CVE-2026-104965

The project management tool Plane contains a cross-tenant issue relation creation vulnerability in versions prior to 1.4.0 . The issue-relation endpoint fails to validate that provided issue UUIDs belong to the caller's workspace, allowing an authenticated user to create relations linking their i...

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...

EUVD-2026-92486

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-2026-104964

The project management tool Plane is vulnerable to a cross-workspace project modification flaw in versions prior to 1.4.0 . The vulnerability exists because the project update endpoint validates the workspace slug in the URL but fetches the target project globally using its UUID without verifying...

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-2026-104964 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...