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Description

Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, a Cross-Site Request Forgery (CSRF) vulnerability exists in the ProjectPermissionController within the Kanboard application. The application fails to strictly enforce the application/json Content-Type for the changeUserRole action. Although the request body is JSON, the server accepts text/plain, allowing an attacker to craft a malicious form using the text/plain attribute. Which allows unauthorized modification of project user roles if an authenticated admin visits a malicious site This vulnerability is fixed in 1.2.50.

PUBLISHED Reserved 2026-01-27 | Published 2026-02-10 | Updated 2026-02-10 | Assigner GitHub_M




MEDIUM: 5.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Problem types

CWE-352: Cross-Site Request Forgery (CSRF)

Product status

< 1.2.50
affected

References

github.com/...nboard/security/advisories/GHSA-582j-h4w4-hwr5 exploit

github.com/...nboard/security/advisories/GHSA-582j-h4w4-hwr5

github.com/...ommit/2c56d92783d4a3094812c2f7cba50f80a372f95e

github.com/kanboard/kanboard/releases/tag/v1.2.50

cve.org (CVE-2026-24885)

nvd.nist.gov (CVE-2026-24885)

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