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CVE-2026-102986— Plane: Any Authenticated User Can Upload and Delete Assets in Any Published Project via /api/public/assets/v2/anchor/{anchor}/

Quick assessment

Affected
makeplane plane
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 members

CVSS 8.1 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
makeplane plane < 1.4.0 affected
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I. Basic Information for CVE-2026-102986

Vulnerability Information

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Vulnerability Title
Plane: Any Authenticated User Can Upload and Delete Assets in Any Published Project via /api/public/assets/v2/anchor/{anchor}/
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
makeplane plane < 1.4.0 -

II. Public POCs for CVE-2026-102986

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III. Intelligence Information for CVE-2026-102986

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Patches & Fixes for CVE-2026-102986 (2)

Vendor Pages for CVE-2026-102986 (1)

Other References for CVE-2026-102986 (1)

Same Patch Batch · makeplane · 2026-10-14 · 3 CVEs total

CVE-2026-102985 6.5 MEDIUM Plane: Any project member can modify (deactivate) other members' records
CVE-2026-102980 6.5 MEDIUM Plane: Cross-Project Page Content Disclosure via PageVersionEndpoint Missing Project Scope

IV. Related Vulnerabilities

Same product: plane
Same vendor: makeplane
Same weakness: CWE-639

V. Comments for CVE-2026-102986

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