{"id":"CVE-2026-104971","published":"2026-10-05T18:17:32.113","lastModified":"2026-10-05T19:17:15.537","description":"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, allowing authenticated users to read, create, modify, or delete assets in workspaces where they are not members. Separately, WorkspaceViewViewSet.retrieve lacks the authorization decorator used by its sibling actions, exposing an unauthorized workspace-view read surface. This issue is fixed in 1.4.0.","cvssScore":8.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N","cwes":["CWE-639","CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/makeplane/plane/commit/4577dc3f7a6b5a198602b602a45c6b0abdc7204b","tags":[]},{"url":"https://github.com/makeplane/plane/commit/ac11c3ef7939e31201fa92a17de106906025590f","tags":[]},{"url":"https://github.com/makeplane/plane/pull/8885","tags":[]},{"url":"https://github.com/makeplane/plane/pull/9288","tags":[]},{"url":"https://github.com/makeplane/plane/releases/tag/v1.4.0","tags":[]},{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-p57q-8hh8-7fc7","tags":[]},{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-p57q-8hh8-7fc7","tags":[]}],"exploitRefs":[{"url":"https://github.com/makeplane/plane/commit/4577dc3f7a6b5a198602b602a45c6b0abdc7204b","tags":[]},{"url":"https://github.com/makeplane/plane/commit/ac11c3ef7939e31201fa92a17de106906025590f","tags":[]},{"url":"https://github.com/makeplane/plane/pull/8885","tags":[]},{"url":"https://github.com/makeplane/plane/pull/9288","tags":[]},{"url":"https://github.com/makeplane/plane/releases/tag/v1.4.0","tags":[]},{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-p57q-8hh8-7fc7","tags":[]},{"url":"https://github.com/makeplane/plane/security/advisories/GHSA-p57q-8hh8-7fc7","tags":[]}],"hasPoc":true,"ai":{"summary":"The flaw allows cross-workspace asset duplication and unauthorized access to workspace assets, posing a high risk to project management tool security.","exploitability":"Exploitation requires authenticated access and knowledge of the affected endpoints; preconditions include being part of a workspace where assets are managed.","blast_radius":"If exploited, this could lead to unauthorized access, modification, or deletion of sensitive assets across workspaces, severely impacting data integrity and confidentiality.","remediation":"Upgrade to Plane version 1.4.0 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","web","asset-access"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-06T08:45:16.715Z"}}