CVE-2026-105633: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, the V2 issue-attachment PATCH endpoint accepts issueid in the URL but omits it from the database query. A project member can use an issueid they control in the URL while targeting another user's attachment by its pk UUID. Because th...

CVE-2026-105629: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, BulkEstimatePointEndpoint.destroy resolves an estimate point through a bare primary-key lookup without workspace, project, or estimate scoping. An administrator or member of one workspace can permanently delete an estimate point...

CVE-2026-104971: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, DuplicateAssetEndpoint fetches a source FileAsset without limiting it to the caller's workspace, allowing cross-workspace asset duplication. WorkspaceFileAssetEndpoint and the legacy FileAssetEndpoint omit workspace authorization,...

CVE-2026-104969: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, the cycle-issues endpoint accepts issue UUIDs in the request body without validating that they belong to the caller's workspace. An authenticated user can add issues from any workspace to a cycle they control. If a victim issue is...

CVE-2026-104965: Authorization Bypass Through User-Controlled Key

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-2026-104894: Authorization Bypass Through User-Controlled Key

Plane is an open-source project management tool. Prior to 1.4.0, the modules endpoint accepts issue UUIDs in the URL path without validating that they belong to the caller's workspace. An authenticated user can link issues from any workspace to modules in their own workspace. This issue is fixed ...

CVE-2026-104966: Authorization Bypass Through User-Controlled Key

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...