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CVE-2026-105687— Penpot: A team admin (non-owner) can remove the team owner via ::delete-team-member — missing owner-protection

Quick assessment

Affected
penpot penpot
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.

Penpot 是一个开源的设计与原型制作平台。在 2.18.0 版本之前， RPC 接口允许团队管理员删除除自己以外的任何成员，但并未对团队所有者提供保护。非所有者身份的管理员可以删除所有者的团队-成员关系（team-profile-rel），从而将所有者排除在团队及其项目、文件、字体和媒体资源之外，导致所有者无法访问这些内容。此问题已在 2.18.0 版本中得到修复。

CVSS 4.9 · Medium
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I. Basic Information for CVE-2026-105687

Vulnerability Information
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Vulnerability Title
Penpot: A team admin (non-owner) can remove the team owner via ::delete-team-member — missing owner-protection
Source: CVE Program / CVE List V5
Vulnerability Description
Penpot is an open-source design and prototyping platform. Prior to 2.18.0, the delete-team-member RPC allows a team administrator to remove any member other than themselves but does not protect the team owner. A non-owner administrator can delete the owner's team-profile-rel membership and lock the owner out of the team and its projects, files, fonts, and media. This issue is fixed in version 2.18.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
penpot penpot < 2.18.0 -

II. Public POCs for CVE-2026-105687

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III. Intelligence Information for CVE-2026-105687

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Other References for CVE-2026-105687 (3)

Same Patch Batch · penpot · 2026-10-05 · 12 CVEs total

CVE-2026-105691 9.9 CRITICAL Penpot: Authenticated OS Command Injection in Penpot SVG Exporter via Legacy fill-color
CVE-2026-105688 6.7 MEDIUM Penpot: Team admin can escalate to owner via team invitation (missing owner-role guard on
CVE-2026-105696 6.5 MEDIUM Penpot: Share-link page-scope escalation: a share-link holder reads pages outside the link
CVE-2026-105689 6.0 MEDIUM Penpot: SSRF guard bypass via IPv6 transition addresses (NAT64/6to4/Teredo) in webhook del
CVE-2026-105695 5.9 MEDIUM Penpot: Missing authorization in chunked-upload assembly lets another authenticated user c
CVE-2026-105690 5.9 MEDIUM Penpot: Server-side session not invalidated on logout; stale auth-token cookie remains val
CVE-2026-105694 5.4 MEDIUM Penpot: Stored XSS via Unsanitised SVG Uploads
CVE-2026-105692 5.4 MEDIUM Penpot: IDOR in Share-Link Deletion Allows Any File Editor to Delete Share-Links They Did
CVE-2026-105693 5.3 MEDIUM Penpot: Anonymous share-link token disclosure & page-scope bypass via get-view-only-bundle
CVE-2026-105686 5.3 MEDIUM Penpot: Repeated chunk index causes temporary-storage amplification
CVE-2026-105684 4.3 MEDIUM Penpot: Share-link page-scope escape — comment RPCs leak comment content, author identity,

IV. Related Vulnerabilities

Same product: penpot
Same vendor: penpot
Same weakness: CWE-269

V. Comments for CVE-2026-105687

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