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CVE-2026-52892

Wekan: Read-only board members can create/modify/delete Custom Fields (privilege escalation via read-level authz on write ops)

Published: Jul 15, 2026Updated: Jul 16, 2026 Sources: CVE List NVDCWE-862
6.5MEDIUM
NVD MITRE
EPSS Score
0.5%
Top 61.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

Wekan is open source kanban built with Meteor. Prior to 9.32, Wekan REST handlers in server/models/customFields.js use read-level Authentication.checkBoardAccess instead of write-level Authentication.checkBoardWriteAccess for mutating custom-field routes. A read-only board member can call POST, PUT, and DELETE handlers for /api/boards/:boardId/custom-fields and custom-field dropdown items to create, update, or delete board custom fields. This issue is fixed in version 9.32.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-862

Affected Products

wekan
oss-project
wekanOn-prem
Enterprise Software / collaboration-groupware

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/wekan/wekan/commit/70db04a93fedabe40331f21f86e6bdc91625914e
github.com
https://github.com/wekan/wekan/releases/tag/v9.32
github.com
https://github.com/wekan/wekan/security/advisories/GHSA-6733-4wgq-8xvr
github.com

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