CVE-2026-59154— Wekan: Checklist direct DDP updates can write checklist data into private boards
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I. Basic Information for CVE-2026-59154
Vulnerability Information
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Vulnerability Title
Wekan: Checklist direct DDP updates can write checklist data into private boards
Source: CVE Program / CVE List V5
Vulnerability Description
Wekan is open source kanban built with Meteor. Prior to 9.64, Wekan has a cross-board authorization bypass in the direct Meteor collection allow rules for Checklists and ChecklistItems because updates are authorized only against the current source doc.cardId and do not inspect the destination cardId or boardId in the update modifier, allowing a low-privileged authenticated user with write access to one board and knowledge of a target private card id to create checklist data on an accessible card and move it into a private board where they are not a member. This issue is fixed in version 9.64.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Wekan 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeKan wekan是WeKan团队的协同项目管理平台。 Wekan 9.64之前版本存在授权问题漏洞，该漏洞源于跨板授权绕过问题，导致直接Meteor集合允许规则中更新仅针对当前源doc.cardId进行授权而不检查目标cardId或boardId，从而允许低权限认证用户创建检查表数据并将其转移到其非成员的私有看板。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-59154
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Patches & Fixes for CVE-2026-59154 (1)
Vendor Advisories for CVE-2026-59154 (1)
Vendor Pages for CVE-2026-59154 (1)
IV. Related Vulnerabilities
Same product: wekan
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WeKan Board Export REST Endpoints: NULL Pointer Dereference - CVE-2026-68900
Wekan: Stored XSS in HTML board exports through a card-title - CVE-2026-68899
Wekan: File Upload MIME Type Validation Bypass — Stored XSS - CVE-2026-68561
Wekan: a low-privilege board member escalates to board admin - CVE-2026-68560
Wekan:hell Injection in External Antivirus Scanner Path via
Same vendor: wekan
- CVE-2026-68901
WeKan Board Export REST Endpoints: NULL Pointer Dereference - CVE-2026-68900
Wekan: Stored XSS in HTML board exports through a card-title - CVE-2026-68899
Wekan: File Upload MIME Type Validation Bypass — Stored XSS - CVE-2026-68561
Wekan: a low-privilege board member escalates to board admin - CVE-2026-68560
Wekan:hell Injection in External Antivirus Scanner Path via
Same weakness: CWE-863
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V. Comments for CVE-2026-59154
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