CVE-2025-65780
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-15

Last updated on: 2025-12-18

Assigner: MITRE

Description
An issue was discovered in Wekan The Open Source kanban board system up to version 18.15, fixed in 18.16. Authenticated users can update their entire user document (beyond profile fields), including orgs/teams and loginDisabled, due to missing server-side authorization checks; this enables privilege escalation and unauthorized access to other teams/orgs.
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Meta Information
Published
2025-12-15
Last Modified
2025-12-18
Generated
2026-05-07
AI Q&A
2025-12-15
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wekan_project wekan to 8.16 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
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CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

The provided resources do not contain information regarding the impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.


Can you explain this vulnerability to me?

This vulnerability in Wekan up to version 18.15 allows authenticated users to update their entire user document beyond just profile fields due to missing server-side authorization checks. This includes sensitive fields like organizations, teams, and loginDisabled status. As a result, users can escalate their privileges and gain unauthorized access to other teams or organizations. The issue was fixed in version 18.16 by restricting client-side updates to only safe fields and enforcing strict server-side permission checks. [2]


How can this vulnerability impact me? :

The vulnerability can lead to privilege escalation where an authenticated user can modify sensitive user data such as organization and team memberships or disable login flags. This unauthorized modification can allow the user to access boards and data from other teams or organizations they should not have access to, potentially exposing confidential information and disrupting organizational workflows. [2]


How can this vulnerability be detected on my network or system? Can you suggest some commands?

To detect this vulnerability, you should check if your Wekan installation is running a version prior to 18.16, as the issue is fixed in version 18.16. Additionally, monitoring for unauthorized updates to user documents beyond allowed profile fields can indicate exploitation attempts. Since the vulnerability involves client-side updates to sensitive user fields, you can audit server logs or database changes for unexpected modifications to fields like orgs, teams, loginDisabled, roles, or isAdmin. Specific commands depend on your environment, but generally, you can query the database for user documents with recent changes in forbidden fields. For example, if using MongoDB, you might run queries to find user documents updated recently with changes in sensitive fields. However, no explicit detection commands are provided in the resources. [2]


What immediate steps should I take to mitigate this vulnerability?

Immediate mitigation steps include upgrading Wekan to version 18.16 or later, where this vulnerability is fixed. The fix restricts client-side updates to user documents to only safe fields (such as username and profile.*), blocking updates to sensitive fields like orgs, teams, roles, isAdmin, loginDisabled, and others. Additionally, ensure that admin operations and sensitive user data modifications are only performed via server methods with proper authorization checks. If upgrading immediately is not possible, consider restricting user permissions to prevent unauthorized updates and monitor for suspicious activity related to user document modifications. [2, 3]


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