Vulnerability · Published Feb 10, 2026 · Assigned by GitHub_M
CVE-2026-24885Kanboard Affected by Cross-Site Request Forgery (CSRF) via Content-Type Misconfiguration in Project Role Assignment
Medium 5.7
In plain English
A medium-severity cross-site request forgery in kanboard from kanboard. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | kanboard | 1.2.50+ds-1 | DEBIAN-CVE-2026-24885 |
| Ubuntu:22.04:LTS | kanboard-cli | no fix listed | UBUNTU-CVE-2026-24885 |
| Ubuntu:24.04:LTS | kanboard-cli | no fix listed | UBUNTU-CVE-2026-24885 |
| Ubuntu:22.04:LTS | python-kanboard | no fix listed | UBUNTU-CVE-2026-24885 |
| Ubuntu:24.04:LTS | python-kanboard | no fix listed | UBUNTU-CVE-2026-24885 |
| Ubuntu:25.10 | python-kanboard | no fix listed | UBUNTU-CVE-2026-24885 |
| Ubuntu:26.04:LTS | python-kanboard | no fix listed | UBUNTU-CVE-2026-24885 |
| Ubuntu:26.10 | python-kanboard | no fix listed | UBUNTU-CVE-2026-24885 |
Affected products (as reported)
Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N