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CVE-2026-102985— Plane: Any project member can modify (deactivate) other members' records

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 是一款开源的项目管理工具。在版本 1.3.1 及更早版本中， 方法将权限检查逻辑置于角色更新分支内部，导致普通访客（guest）或成员（member）角色可以在不更新角色信息的情况下，修改其他项目成员记录的 字段，甚至可以将项目管理员禁用。此外， 接口单独信任了 URL 路径中的 参数，使得项目成员能够覆盖其他成员的偏好设置。这些缺失的对象级权限控制漏洞可导致项目成员关系遭到破坏，并允许跨用户篡改偏好数据。该问题已在版本 1.4.0 中修复。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
makeplane plane < 1.4.0 affected
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I. Basic Information for CVE-2026-102985

Vulnerability Information
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Vulnerability Title
Plane: Any project member can modify (deactivate) other members' records
Source: CVE Program / CVE List V5
Vulnerability Description
Plane is an open-source project management tool. In 1.3.1 and earlier, ProjectMemberViewSet.partial_update places its authorization checks inside the role update branch, so a guest or member can omit role and change another ProjectMember record's is_active field, including deactivating a project administrator. ProjectMemberPreferenceEndpoint.patch separately trusts the member_id path value and lets a project member overwrite another member's preferences. These missing object-level authorization checks permit membership disruption and cross-member preference tampering. The vulnerability is fixed in 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:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
makeplane plane < 1.4.0 -

II. Public POCs for CVE-2026-102985

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III. Intelligence Information for CVE-2026-102985

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Patches & Fixes for CVE-2026-102985 (2)

Vendor Pages for CVE-2026-102985 (1)

Other References for CVE-2026-102985 (1)

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

CVE-2026-102986 8.1 HIGH Plane: Any Authenticated User Can Upload and Delete Assets in Any Published Project via /a
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-862

V. Comments for CVE-2026-102985

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