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Description

Kanboard is project management software focused on Kanban methodology. Prior to 1.2.51, Kanboard's user invite registration endpoint (`UserInviteController::register()`) accepts all POST parameters and passes them to `UserModel::create()` without filtering out the `role` field. An attacker who receives an invite link can inject `role=app-admin` in the registration form to create an administrator account. Version 1.2.51 fixes the issue.

PUBLISHED Reserved 2026-03-03 | Published 2026-03-18 | Updated 2026-03-18 | Assigner GitHub_M




HIGH: 7.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:N/SA:N/E:P

Problem types

CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Product status

< 1.2.51
affected

References

github.com/...nboard/security/advisories/GHSA-2jvj-q44v-6p3x exploit

github.com/...nboard/security/advisories/GHSA-2jvj-q44v-6p3x

cve.org (CVE-2026-29056)

nvd.nist.gov (CVE-2026-29056)

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