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CVE-2026-105694— Penpot: Stored XSS via Unsanitised SVG Uploads

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 是一款开源的设计与原型制作平台。在 2.18.0 版本之前，拥有文件编辑权限的已认证用户可以上传 SVG 格式的媒体文件，其中的脚本、事件处理程序属性以及 foreignObject 元素会在未经过清理（sanitize）的情况下被存储，并通过 Penpot 服务器以 image/svg+xml 类型提供。当受害者访问该资产的 URL 时，会在 Penpot 的源（origin）上下文中执行攻击者控制的 JavaScript 代码，从而允许攻击者利用受害者的 Penpot 会话权限发起请求并访问数据。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-105694

Vulnerability Information
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Vulnerability Title
Penpot: Stored XSS via Unsanitised SVG Uploads
Source: CVE Program / CVE List V5
Vulnerability Description
Penpot is an open-source design and prototyping platform. Prior to 2.18.0, authenticated users with file-edit permission can upload SVG media whose scripts, event-handler attributes, and foreignObject elements are stored without sanitization and served as image/svg+xml from the Penpot origin. A victim who navigates to the asset URL executes attacker-controlled JavaScript in that origin, allowing requests and data access with the victim's Penpot session authority. 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:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
penpot penpot < 2.18.0 -

II. Public POCs for CVE-2026-105694

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III. Intelligence Information for CVE-2026-105694

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Other References for CVE-2026-105694 (6)

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-2026-105692 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-2026-105687 4.9 MEDIUM Penpot: A team admin (non-owner) can remove the team owner via ::delete-team-member — miss
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-79

V. Comments for CVE-2026-105694

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