Kanboard up to 1.2.49 getSwimlane API authorization

Summaryinfo

A vulnerability classified as problematic has been found in Kanboard up to 1.2.49. This impacts an unknown function of the component getSwimlane API. This manipulation causes authorization. This vulnerability is handled as CVE-2026-25530. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Kanboard up to 1.2.49. It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component getSwimlane API. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. The summary by CVE is:

Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, the getSwimlane API method lacks project-level authorization, allowing authenticated users to access swimlane data from projects they cannot access. This vulnerability is fixed in 1.2.50.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-25530 since 02/02/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 298597 (Linux Distros Unpatched Vulnerability : CVE-2026-25530), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.2.50 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch c3d8d20e05322b09e036fed7afb57194d624a414 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (298597). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Forum Software

Name

• Kanboard

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10
• 1.2.11
• 1.2.12
• 1.2.13
• 1.2.14
• 1.2.15
• 1.2.16
• 1.2.17
• 1.2.18
• 1.2.19
• 1.2.20
• 1.2.21
• 1.2.22
• 1.2.23
• 1.2.24
• 1.2.25
• 1.2.26
• 1.2.27
• 1.2.28
• 1.2.29
• 1.2.30
• 1.2.31
• 1.2.32
• 1.2.33
• 1.2.34
• 1.2.35
• 1.2.36
• 1.2.37
• 1.2.38
• 1.2.39
• 1.2.40
• 1.2.41
• 1.2.42
• 1.2.43
• 1.2.44
• 1.2.45
• 1.2.46
• 1.2.47
• 1.2.48
• 1.2.49

License

• open-source

Website

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

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

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