What’s Vulnerable › Vulnerabilities

CVE-2026-25531: Kanboard TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-13 · updated 2026-06-17
• Weakness: CWE-862

Description

Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-33968 is incomplete. The TaskCreationController::duplicateProjects() endpoint does not validate user permissions for target projects, allowing authenticated users to duplicate tasks into projects they cannot access. This vulnerability is fixed in 1.2.50.

Affected products

• kanboard: before 1.2.50 — fixed in 1.2.50

How to fix

Upgrade to a fixed version: kanboard 1.2.50. Check the vendor advisory for mitigations.

References

• https://github.com/kanboard/kanboard/commit/df7b7a21ee071f36466d8b38e40d0b0b8b8d394d
• https://github.com/kanboard/kanboard/releases/tag/v1.2.50
• https://github.com/kanboard/kanboard/security/advisories/GHSA-vrm3-3337-whp9

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