CVE-2026-46558

CVE-2026-46558 Plane’s V2 asset subsystem trusted workspace slugs and asset UUIDs without enforcing the right membership checks, which let one authenticated user read, copy, delete, and overwrite assets in other workspaces. Intro I found this issue while reviewing Plane , the open-source project...

CVE-2026-104971

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,...

EUVD-2026-92520

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-2026-104971 Plane: Cross-Workspace Asset Duplication IDOR + WorkspaceFileAssetEndpoint and FileAssetEndpoint Missing Authorization

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-2026-104971 Plane: Cross-Workspace Asset Duplication IDOR + WorkspaceFileAssetEndpoint and FileAssetEndpoint Missing Authorization

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-2026-104968

The project management tool Plane is vulnerable to cross-workspace member enumeration in versions prior to 1.4.0 . The issue exists in the SearchEndpoint located in apps/api/plane/app/views/search/base.py, which inherits BaseAPIView with only an IsAuthenticated permission class. Because it fails ...

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 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-2026-104966

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-2026-92488

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-2026-104964 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...

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...

PT-2026-106020

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 ...

PT-2026-106034

Name of the Vulnerable Software and Affected Versions Plane versions prior to 1.4.0 Description Two endpoint families fail to verify that nested resource identifiers belong to the workspace and project specified in the URL. An authenticated user can read or modify estimates from another workspace...

PT-2026-106032

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: Authorization Bypass Through User-Controlled Key

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...