Wekan up to 9.63 Checklist authorization

Summaryinfo

A vulnerability identified as critical has been detected in Wekan up to 9.63. Impacted is an unknown function of the component Checklist. Performing a manipulation results in authorization. This vulnerability is reported as CVE-2026-59154. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Wekan up to 9.63. It has been classified as critical. This affects some unknown functionality of the component Checklist. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-59154 since 07/02/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 9.64 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Wekan

Version

• 9.0
• 9.1
• 9.2
• 9.3
• 9.4
• 9.5
• 9.6
• 9.7
• 9.8
• 9.9
• 9.10
• 9.11
• 9.12
• 9.13
• 9.14
• 9.15
• 9.16
• 9.17
• 9.18
• 9.19
• 9.20
• 9.21
• 9.22
• 9.23
• 9.24
• 9.25
• 9.26
• 9.27
• 9.28
• 9.29
• 9.30
• 9.31
• 9.32
• 9.33
• 9.34
• 9.35
• 9.36
• 9.37
• 9.38
• 9.39
• 9.40
• 9.41
• 9.42
• 9.43
• 9.44
• 9.45
• 9.46
• 9.47
• 9.48
• 9.49
• 9.50
• 9.51
• 9.52
• 9.53
• 9.54
• 9.55
• 9.56
• 9.57
• 9.58
• 9.59
• 9.60
• 9.61
• 9.62
• 9.63

Website

• Product: https://github.com/wekan/wekan/

CPE 2.3info

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