CVE-2026-102986

Plane is an open-source project management tool. In 1.3.1 and earlier, EntityAssetEndpoint at the public project asset endpoint /api/public/assets/v2/anchor/{anchor}/ requires authentication for write operations but does not verify workspace or project membership. An authenticated user who knows a published project's public DeployBoard.anchor can create FileAsset records in that project and soft-delete existing assets by identifier, allowing cross-workspace file injection, storage abuse, and data loss. The issue is fixed in version 1.4.0.

• CWE-639

• https://github.com/makeplane/plane/commit/4577dc3f7a6b5a198602b602a45c6b0abdc7204b
• https://github.com/makeplane/plane/pull/9288
• https://github.com/makeplane/plane/releases/tag/v1.4.0
• https://github.com/makeplane/plane/security/advisories/GHSA-8688-h9x2-v83m
• https://github.com/makeplane/plane/security/advisories/GHSA-8688-h9x2-v83m

Published

Oct 14, 2026

Last Modified

Oct 15, 2026

Status

Deferred

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